Home / 48,105.11-72,127.11-42,193.87

Finding the Fourth Proportional to 48,105.11, 72,127.11 and 42,193.87

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Solution

The fourth proportional to 48,105.11, 72,127.11 and 42,193.87 is: 63,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.11 : 72,127.11 = 42,193.87 : x
  2. Step 2: Convert to fraction form
    48,105.11/72,127.11 = 42,193.87/x
  3. Step 3: Cross multiply
    48,105.11x = 72,127.11 × 42,193.87
  4. Step 4: Simplify right side
    48,105.11x = 3,043,321,727.57
  5. Step 5: Solve for x
    x = 3,043,321,727.57/48,105.11
  6. Step 6: Final answer
    x = 63,264.00

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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.