Home / 52,691.48-72,681-36,770.12

Finding the Fourth Proportional to 52,691.48, 72,681 and 36,770.12

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Solution

The fourth proportional to 52,691.48, 72,681 and 36,770.12 is: 50,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,691.48 : 72,681 = 36,770.12 : x
  2. Step 2: Convert to fraction form
    52,691.48/72,681 = 36,770.12/x
  3. Step 3: Cross multiply
    52,691.48x = 72,681 × 36,770.12
  4. Step 4: Simplify right side
    52,691.48x = 2,672,489,091.72
  5. Step 5: Solve for x
    x = 2,672,489,091.72/52,691.48
  6. Step 6: Final answer
    x = 50,719.57

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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.