Home / 67,555.32-101,347.46-20,174.15

Finding the Fourth Proportional to 67,555.32, 101,347.46 and 20,174.15

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Solution

The fourth proportional to 67,555.32, 101,347.46 and 20,174.15 is: 30,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,555.32 : 101,347.46 = 20,174.15 : x
  2. Step 2: Convert to fraction form
    67,555.32/101,347.46 = 20,174.15/x
  3. Step 3: Cross multiply
    67,555.32x = 101,347.46 × 20,174.15
  4. Step 4: Simplify right side
    67,555.32x = 2,044,598,403.86
  5. Step 5: Solve for x
    x = 2,044,598,403.86/67,555.32
  6. Step 6: Final answer
    x = 30,265.54

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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.