Home / 65,929.20-98,966.70-40,997.40

Finding the Fourth Proportional to 65,929.20, 98,966.70 and 40,997.40

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Solution

The fourth proportional to 65,929.20, 98,966.70 and 40,997.40 is: 61,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.20 : 98,966.70 = 40,997.40 : x
  2. Step 2: Convert to fraction form
    65,929.20/98,966.70 = 40,997.40/x
  3. Step 3: Cross multiply
    65,929.20x = 98,966.70 × 40,997.40
  4. Step 4: Simplify right side
    65,929.20x = 4,057,377,386.58
  5. Step 5: Solve for x
    x = 4,057,377,386.58/65,929.20
  6. Step 6: Final answer
    x = 61,541.43

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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.