Home / 76,045.77-114,034.07-40,497.98

Finding the Fourth Proportional to 76,045.77, 114,034.07 and 40,497.98

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Solution

The fourth proportional to 76,045.77, 114,034.07 and 40,497.98 is: 60,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,045.77 : 114,034.07 = 40,497.98 : x
  2. Step 2: Convert to fraction form
    76,045.77/114,034.07 = 40,497.98/x
  3. Step 3: Cross multiply
    76,045.77x = 114,034.07 × 40,497.98
  4. Step 4: Simplify right side
    76,045.77x = 4,618,149,017.25
  5. Step 5: Solve for x
    x = 4,618,149,017.25/76,045.77
  6. Step 6: Final answer
    x = 60,728.55

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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.