Home / 56,344.68-77,753.26-30,850.58

Finding the Fourth Proportional to 56,344.68, 77,753.26 and 30,850.58

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Solution

The fourth proportional to 56,344.68, 77,753.26 and 30,850.58 is: 42,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,344.68 : 77,753.26 = 30,850.58 : x
  2. Step 2: Convert to fraction form
    56,344.68/77,753.26 = 30,850.58/x
  3. Step 3: Cross multiply
    56,344.68x = 77,753.26 × 30,850.58
  4. Step 4: Simplify right side
    56,344.68x = 2,398,733,167.89
  5. Step 5: Solve for x
    x = 2,398,733,167.89/56,344.68
  6. Step 6: Final answer
    x = 42,572.49

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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.