Home / 83,384.15-125,089.27-27,211.28

Finding the Fourth Proportional to 83,384.15, 125,089.27 and 27,211.28

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Solution

The fourth proportional to 83,384.15, 125,089.27 and 27,211.28 is: 40,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,384.15 : 125,089.27 = 27,211.28 : x
  2. Step 2: Convert to fraction form
    83,384.15/125,089.27 = 27,211.28/x
  3. Step 3: Cross multiply
    83,384.15x = 125,089.27 × 27,211.28
  4. Step 4: Simplify right side
    83,384.15x = 3,403,838,457.49
  5. Step 5: Solve for x
    x = 3,403,838,457.49/83,384.15
  6. Step 6: Final answer
    x = 40,821.17

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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.