Home / 72,581.76-108,854.37-25,823.70

Finding the Fourth Proportional to 72,581.76, 108,854.37 and 25,823.70

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Solution

The fourth proportional to 72,581.76, 108,854.37 and 25,823.70 is: 38,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581.76 : 108,854.37 = 25,823.70 : x
  2. Step 2: Convert to fraction form
    72,581.76/108,854.37 = 25,823.70/x
  3. Step 3: Cross multiply
    72,581.76x = 108,854.37 × 25,823.70
  4. Step 4: Simplify right side
    72,581.76x = 2,811,022,594.57
  5. Step 5: Solve for x
    x = 2,811,022,594.57/72,581.76
  6. Step 6: Final answer
    x = 38,729.05

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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.