Home / 77,262.84-115,903.98-27,331.20

Finding the Fourth Proportional to 77,262.84, 115,903.98 and 27,331.20

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Solution

The fourth proportional to 77,262.84, 115,903.98 and 27,331.20 is: 41,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262.84 : 115,903.98 = 27,331.20 : x
  2. Step 2: Convert to fraction form
    77,262.84/115,903.98 = 27,331.20/x
  3. Step 3: Cross multiply
    77,262.84x = 115,903.98 × 27,331.20
  4. Step 4: Simplify right side
    77,262.84x = 3,167,794,858.18
  5. Step 5: Solve for x
    x = 3,167,794,858.18/77,262.84
  6. Step 6: Final answer
    x = 41,000.24

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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.