Home / 71,702.20-107,456.10-47,942.20

Finding the Fourth Proportional to 71,702.20, 107,456.10 and 47,942.20

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Solution

The fourth proportional to 71,702.20, 107,456.10 and 47,942.20 is: 71,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,702.20 : 107,456.10 = 47,942.20 : x
  2. Step 2: Convert to fraction form
    71,702.20/107,456.10 = 47,942.20/x
  3. Step 3: Cross multiply
    71,702.20x = 107,456.10 × 47,942.20
  4. Step 4: Simplify right side
    71,702.20x = 5,151,681,837.42
  5. Step 5: Solve for x
    x = 5,151,681,837.42/71,702.20
  6. Step 6: Final answer
    x = 71,848.31

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1.5x scale

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.