Home / 71,309.20-98,423.22-47,436.88

Finding the Fourth Proportional to 71,309.20, 98,423.22 and 47,436.88

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Solution

The fourth proportional to 71,309.20, 98,423.22 and 47,436.88 is: 65,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,309.20 : 98,423.22 = 47,436.88 : x
  2. Step 2: Convert to fraction form
    71,309.20/98,423.22 = 47,436.88/x
  3. Step 3: Cross multiply
    71,309.20x = 98,423.22 × 47,436.88
  4. Step 4: Simplify right side
    71,309.20x = 4,668,890,476.35
  5. Step 5: Solve for x
    x = 4,668,890,476.35/71,309.20
  6. Step 6: Final answer
    x = 65,473.89

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1.5x scale

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.