Home / 52,397.34-72,311.85-31,988.04

Finding the Fourth Proportional to 52,397.34, 72,311.85 and 31,988.04

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Solution

The fourth proportional to 52,397.34, 72,311.85 and 31,988.04 is: 44,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,397.34 : 72,311.85 = 31,988.04 : x
  2. Step 2: Convert to fraction form
    52,397.34/72,311.85 = 31,988.04/x
  3. Step 3: Cross multiply
    52,397.34x = 72,311.85 × 31,988.04
  4. Step 4: Simplify right side
    52,397.34x = 2,313,114,350.27
  5. Step 5: Solve for x
    x = 2,313,114,350.27/52,397.34
  6. Step 6: Final answer
    x = 44,145.64

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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.