Home / 52,385.43-72,376.61-36,540.66

Finding the Fourth Proportional to 52,385.43, 72,376.61 and 36,540.66

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Solution

The fourth proportional to 52,385.43, 72,376.61 and 36,540.66 is: 50,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,385.43 : 72,376.61 = 36,540.66 : x
  2. Step 2: Convert to fraction form
    52,385.43/72,376.61 = 36,540.66/x
  3. Step 3: Cross multiply
    52,385.43x = 72,376.61 × 36,540.66
  4. Step 4: Simplify right side
    52,385.43x = 2,644,688,915.26
  5. Step 5: Solve for x
    x = 2,644,688,915.26/52,385.43
  6. Step 6: Final answer
    x = 50,485.20

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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.