Home / 76,578.74-114,868.02-23,992.32

Finding the Fourth Proportional to 76,578.74, 114,868.02 and 23,992.32

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Solution

The fourth proportional to 76,578.74, 114,868.02 and 23,992.32 is: 35,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,578.74 : 114,868.02 = 23,992.32 : x
  2. Step 2: Convert to fraction form
    76,578.74/114,868.02 = 23,992.32/x
  3. Step 3: Cross multiply
    76,578.74x = 114,868.02 × 23,992.32
  4. Step 4: Simplify right side
    76,578.74x = 2,755,950,293.61
  5. Step 5: Solve for x
    x = 2,755,950,293.61/76,578.74
  6. Step 6: Final answer
    x = 35,988.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.