Home / 110,434.64-152,434.20-62,719.76

Finding the Fourth Proportional to 110,434.64, 152,434.20 and 62,719.76

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Solution

The fourth proportional to 110,434.64, 152,434.20 and 62,719.76 is: 86,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,434.64 : 152,434.20 = 62,719.76 : x
  2. Step 2: Convert to fraction form
    110,434.64/152,434.20 = 62,719.76/x
  3. Step 3: Cross multiply
    110,434.64x = 152,434.20 × 62,719.76
  4. Step 4: Simplify right side
    110,434.64x = 9,560,636,439.79
  5. Step 5: Solve for x
    x = 9,560,636,439.79/110,434.64
  6. Step 6: Final answer
    x = 86,572.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.