Home / 72,329.15-108,498.89-22,402.85

Finding the Fourth Proportional to 72,329.15, 108,498.89 and 22,402.85

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Solution

The fourth proportional to 72,329.15, 108,498.89 and 22,402.85 is: 33,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,329.15 : 108,498.89 = 22,402.85 : x
  2. Step 2: Convert to fraction form
    72,329.15/108,498.89 = 22,402.85/x
  3. Step 3: Cross multiply
    72,329.15x = 108,498.89 × 22,402.85
  4. Step 4: Simplify right side
    72,329.15x = 2,430,683,871.35
  5. Step 5: Solve for x
    x = 2,430,683,871.35/72,329.15
  6. Step 6: Final answer
    x = 33,605.87

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1.5x scale

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.