Home / 82,589.47-113,910.35-71,124.24

Finding the Fourth Proportional to 82,589.47, 113,910.35 and 71,124.24

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Solution

The fourth proportional to 82,589.47, 113,910.35 and 71,124.24 is: 98,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,589.47 : 113,910.35 = 71,124.24 : x
  2. Step 2: Convert to fraction form
    82,589.47/113,910.35 = 71,124.24/x
  3. Step 3: Cross multiply
    82,589.47x = 113,910.35 × 71,124.24
  4. Step 4: Simplify right side
    82,589.47x = 8,101,787,062.94
  5. Step 5: Solve for x
    x = 8,101,787,062.94/82,589.47
  6. Step 6: Final answer
    x = 98,097.09

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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.