Home / 52,781.12-72,841.38-34,642.69

Finding the Fourth Proportional to 52,781.12, 72,841.38 and 34,642.69

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Solution

The fourth proportional to 52,781.12, 72,841.38 and 34,642.69 is: 47,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.12 : 72,841.38 = 34,642.69 : x
  2. Step 2: Convert to fraction form
    52,781.12/72,841.38 = 34,642.69/x
  3. Step 3: Cross multiply
    52,781.12x = 72,841.38 × 34,642.69
  4. Step 4: Simplify right side
    52,781.12x = 2,523,421,034.50
  5. Step 5: Solve for x
    x = 2,523,421,034.50/52,781.12
  6. Step 6: Final answer
    x = 47,809.16

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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.