Home / 45,132.28-67,668.90-42,654.04

Finding the Fourth Proportional to 45,132.28, 67,668.90 and 42,654.04

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Solution

The fourth proportional to 45,132.28, 67,668.90 and 42,654.04 is: 63,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,132.28 : 67,668.90 = 42,654.04 : x
  2. Step 2: Convert to fraction form
    45,132.28/67,668.90 = 42,654.04/x
  3. Step 3: Cross multiply
    45,132.28x = 67,668.90 × 42,654.04
  4. Step 4: Simplify right side
    45,132.28x = 2,886,351,967.36
  5. Step 5: Solve for x
    x = 2,886,351,967.36/45,132.28
  6. Step 6: Final answer
    x = 63,953.16

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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.