Home / 121,591.13-182,387.50-38,485.13

Finding the Fourth Proportional to 121,591.13, 182,387.50 and 38,485.13

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Solution

The fourth proportional to 121,591.13, 182,387.50 and 38,485.13 is: 57,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,591.13 : 182,387.50 = 38,485.13 : x
  2. Step 2: Convert to fraction form
    121,591.13/182,387.50 = 38,485.13/x
  3. Step 3: Cross multiply
    121,591.13x = 182,387.50 × 38,485.13
  4. Step 4: Simplify right side
    121,591.13x = 7,019,205,639.72
  5. Step 5: Solve for x
    x = 7,019,205,639.72/121,591.13
  6. Step 6: Final answer
    x = 57,727.94

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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.