Home / 63,719.68-87,957.54-42,491.20

Finding the Fourth Proportional to 63,719.68, 87,957.54 and 42,491.20

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Solution

The fourth proportional to 63,719.68, 87,957.54 and 42,491.20 is: 58,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,719.68 : 87,957.54 = 42,491.20 : x
  2. Step 2: Convert to fraction form
    63,719.68/87,957.54 = 42,491.20/x
  3. Step 3: Cross multiply
    63,719.68x = 87,957.54 × 42,491.20
  4. Step 4: Simplify right side
    63,719.68x = 3,737,421,423.65
  5. Step 5: Solve for x
    x = 3,737,421,423.65/63,719.68
  6. Step 6: Final answer
    x = 58,654.11

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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.