Home / 56,306.19-77,697.25-38,119.92

Finding the Fourth Proportional to 56,306.19, 77,697.25 and 38,119.92

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Solution

The fourth proportional to 56,306.19, 77,697.25 and 38,119.92 is: 52,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,306.19 : 77,697.25 = 38,119.92 : x
  2. Step 2: Convert to fraction form
    56,306.19/77,697.25 = 38,119.92/x
  3. Step 3: Cross multiply
    56,306.19x = 77,697.25 × 38,119.92
  4. Step 4: Simplify right side
    56,306.19x = 2,961,812,856.19
  5. Step 5: Solve for x
    x = 2,961,812,856.19/56,306.19
  6. Step 6: Final answer
    x = 52,601.90

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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.