Home / 71,348.20-98,459.30-39,516.41

Finding the Fourth Proportional to 71,348.20, 98,459.30 and 39,516.41

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Solution

The fourth proportional to 71,348.20, 98,459.30 and 39,516.41 is: 54,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.20 : 98,459.30 = 39,516.41 : x
  2. Step 2: Convert to fraction form
    71,348.20/98,459.30 = 39,516.41/x
  3. Step 3: Cross multiply
    71,348.20x = 98,459.30 × 39,516.41
  4. Step 4: Simplify right side
    71,348.20x = 3,890,758,412.05
  5. Step 5: Solve for x
    x = 3,890,758,412.05/71,348.20
  6. Step 6: Final answer
    x = 54,531.98

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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.