Home / 93,901.20-140,997.60-54,535.20

Finding the Fourth Proportional to 93,901.20, 140,997.60 and 54,535.20

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Solution

The fourth proportional to 93,901.20, 140,997.60 and 54,535.20 is: 81,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,901.20 : 140,997.60 = 54,535.20 : x
  2. Step 2: Convert to fraction form
    93,901.20/140,997.60 = 54,535.20/x
  3. Step 3: Cross multiply
    93,901.20x = 140,997.60 × 54,535.20
  4. Step 4: Simplify right side
    93,901.20x = 7,689,332,315.52
  5. Step 5: Solve for x
    x = 7,689,332,315.52/93,901.20
  6. Step 6: Final answer
    x = 81,887.48

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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.