Home / 52,812.55-72,881.60-28,613.90

Finding the Fourth Proportional to 52,812.55, 72,881.60 and 28,613.90

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Solution

The fourth proportional to 52,812.55, 72,881.60 and 28,613.90 is: 39,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.55 : 72,881.60 = 28,613.90 : x
  2. Step 2: Convert to fraction form
    52,812.55/72,881.60 = 28,613.90/x
  3. Step 3: Cross multiply
    52,812.55x = 72,881.60 × 28,613.90
  4. Step 4: Simplify right side
    52,812.55x = 2,085,427,294.28
  5. Step 5: Solve for x
    x = 2,085,427,294.28/52,812.55
  6. Step 6: Final answer
    x = 39,487.35

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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.