Home / 77,001.76-115,414.56-34,913.92

Finding the Fourth Proportional to 77,001.76, 115,414.56 and 34,913.92

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Solution

The fourth proportional to 77,001.76, 115,414.56 and 34,913.92 is: 52,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001.76 : 115,414.56 = 34,913.92 : x
  2. Step 2: Convert to fraction form
    77,001.76/115,414.56 = 34,913.92/x
  3. Step 3: Cross multiply
    77,001.76x = 115,414.56 × 34,913.92
  4. Step 4: Simplify right side
    77,001.76x = 4,029,574,714.68
  5. Step 5: Solve for x
    x = 4,029,574,714.68/77,001.76
  6. Step 6: Final answer
    x = 52,330.94

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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.