Home / 69,939.18-104,929.66-65,761.74

Finding the Fourth Proportional to 69,939.18, 104,929.66 and 65,761.74

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Solution

The fourth proportional to 69,939.18, 104,929.66 and 65,761.74 is: 98,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.18 : 104,929.66 = 65,761.74 : x
  2. Step 2: Convert to fraction form
    69,939.18/104,929.66 = 65,761.74/x
  3. Step 3: Cross multiply
    69,939.18x = 104,929.66 × 65,761.74
  4. Step 4: Simplify right side
    69,939.18x = 6,900,357,248.29
  5. Step 5: Solve for x
    x = 6,900,357,248.29/69,939.18
  6. Step 6: Final answer
    x = 98,662.25

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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.