Home / 56,387.28-77,850.30-35,197.68

Finding the Fourth Proportional to 56,387.28, 77,850.30 and 35,197.68

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Solution

The fourth proportional to 56,387.28, 77,850.30 and 35,197.68 is: 48,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.28 : 77,850.30 = 35,197.68 : x
  2. Step 2: Convert to fraction form
    56,387.28/77,850.30 = 35,197.68/x
  3. Step 3: Cross multiply
    56,387.28x = 77,850.30 × 35,197.68
  4. Step 4: Simplify right side
    56,387.28x = 2,740,149,947.30
  5. Step 5: Solve for x
    x = 2,740,149,947.30/56,387.28
  6. Step 6: Final answer
    x = 48,595.18

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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.