Home / 60,140.38-90,139.83-24,579.76

Finding the Fourth Proportional to 60,140.38, 90,139.83 and 24,579.76

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Solution

The fourth proportional to 60,140.38, 90,139.83 and 24,579.76 is: 36,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,140.38 : 90,139.83 = 24,579.76 : x
  2. Step 2: Convert to fraction form
    60,140.38/90,139.83 = 24,579.76/x
  3. Step 3: Cross multiply
    60,140.38x = 90,139.83 × 24,579.76
  4. Step 4: Simplify right side
    60,140.38x = 2,215,615,387.84
  5. Step 5: Solve for x
    x = 2,215,615,387.84/60,140.38
  6. Step 6: Final answer
    x = 36,840.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.