Home / 87,779.47-131,613.85-48,364.26

Finding the Fourth Proportional to 87,779.47, 131,613.85 and 48,364.26

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Solution

The fourth proportional to 87,779.47, 131,613.85 and 48,364.26 is: 72,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,779.47 : 131,613.85 = 48,364.26 : x
  2. Step 2: Convert to fraction form
    87,779.47/131,613.85 = 48,364.26/x
  3. Step 3: Cross multiply
    87,779.47x = 131,613.85 × 48,364.26
  4. Step 4: Simplify right side
    87,779.47x = 6,365,407,070.38
  5. Step 5: Solve for x
    x = 6,365,407,070.38/87,779.47
  6. Step 6: Final answer
    x = 72,515.90

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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.