Home / 67,043.50-100,565.15-17,123.58

Finding the Fourth Proportional to 67,043.50, 100,565.15 and 17,123.58

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Solution

The fourth proportional to 67,043.50, 100,565.15 and 17,123.58 is: 25,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,043.50 : 100,565.15 = 17,123.58 : x
  2. Step 2: Convert to fraction form
    67,043.50/100,565.15 = 17,123.58/x
  3. Step 3: Cross multiply
    67,043.50x = 100,565.15 × 17,123.58
  4. Step 4: Simplify right side
    67,043.50x = 1,722,035,305.62
  5. Step 5: Solve for x
    x = 1,722,035,305.62/67,043.50
  6. Step 6: Final answer
    x = 25,685.34

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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.