Home / 72,545.22-108,854.28-25,801.74

Finding the Fourth Proportional to 72,545.22, 108,854.28 and 25,801.74

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Solution

The fourth proportional to 72,545.22, 108,854.28 and 25,801.74 is: 38,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,545.22 : 108,854.28 = 25,801.74 : x
  2. Step 2: Convert to fraction form
    72,545.22/108,854.28 = 25,801.74/x
  3. Step 3: Cross multiply
    72,545.22x = 108,854.28 × 25,801.74
  4. Step 4: Simplify right side
    72,545.22x = 2,808,629,830.45
  5. Step 5: Solve for x
    x = 2,808,629,830.45/72,545.22
  6. Step 6: Final answer
    x = 38,715.57

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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.