Home / 75,914.13-104,761.50-42,380.13

Finding the Fourth Proportional to 75,914.13, 104,761.50 and 42,380.13

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Solution

The fourth proportional to 75,914.13, 104,761.50 and 42,380.13 is: 58,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,914.13 : 104,761.50 = 42,380.13 : x
  2. Step 2: Convert to fraction form
    75,914.13/104,761.50 = 42,380.13/x
  3. Step 3: Cross multiply
    75,914.13x = 104,761.50 × 42,380.13
  4. Step 4: Simplify right side
    75,914.13x = 4,439,805,989.00
  5. Step 5: Solve for x
    x = 4,439,805,989.00/75,914.13
  6. Step 6: Final answer
    x = 58,484.58

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1.5x scale

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.