Home / 77,127.29-115,798.01-39,714.10

Finding the Fourth Proportional to 77,127.29, 115,798.01 and 39,714.10

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Solution

The fourth proportional to 77,127.29, 115,798.01 and 39,714.10 is: 59,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127.29 : 115,798.01 = 39,714.10 : x
  2. Step 2: Convert to fraction form
    77,127.29/115,798.01 = 39,714.10/x
  3. Step 3: Cross multiply
    77,127.29x = 115,798.01 × 39,714.10
  4. Step 4: Simplify right side
    77,127.29x = 4,598,813,260.88
  5. Step 5: Solve for x
    x = 4,598,813,260.88/77,127.29
  6. Step 6: Final answer
    x = 59,626.28

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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.