Home / 83,265.76-124,898.64-48,186.28

Finding the Fourth Proportional to 83,265.76, 124,898.64 and 48,186.28

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Solution

The fourth proportional to 83,265.76, 124,898.64 and 48,186.28 is: 72,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,265.76 : 124,898.64 = 48,186.28 : x
  2. Step 2: Convert to fraction form
    83,265.76/124,898.64 = 48,186.28/x
  3. Step 3: Cross multiply
    83,265.76x = 124,898.64 × 48,186.28
  4. Step 4: Simplify right side
    83,265.76x = 6,018,400,838.66
  5. Step 5: Solve for x
    x = 6,018,400,838.66/83,265.76
  6. Step 6: Final answer
    x = 72,279.42

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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.