Home / 69,929.30-96,538.20-47,387.42

Finding the Fourth Proportional to 69,929.30, 96,538.20 and 47,387.42

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Solution

The fourth proportional to 69,929.30, 96,538.20 and 47,387.42 is: 65,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,929.30 : 96,538.20 = 47,387.42 : x
  2. Step 2: Convert to fraction form
    69,929.30/96,538.20 = 47,387.42/x
  3. Step 3: Cross multiply
    69,929.30x = 96,538.20 × 47,387.42
  4. Step 4: Simplify right side
    69,929.30x = 4,574,696,229.44
  5. Step 5: Solve for x
    x = 4,574,696,229.44/69,929.30
  6. Step 6: Final answer
    x = 65,418.88

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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.