Home / 83,127.04-124,728.90-51,574.17

Finding the Fourth Proportional to 83,127.04, 124,728.90 and 51,574.17

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Solution

The fourth proportional to 83,127.04, 124,728.90 and 51,574.17 is: 77,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,127.04 : 124,728.90 = 51,574.17 : x
  2. Step 2: Convert to fraction form
    83,127.04/124,728.90 = 51,574.17/x
  3. Step 3: Cross multiply
    83,127.04x = 124,728.90 × 51,574.17
  4. Step 4: Simplify right side
    83,127.04x = 6,432,788,868.87
  5. Step 5: Solve for x
    x = 6,432,788,868.87/83,127.04
  6. Step 6: Final answer
    x = 77,385.03

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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.