Home / 70,000.20-96,600.20-41,319.90

Finding the Fourth Proportional to 70,000.20, 96,600.20 and 41,319.90

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Solution

The fourth proportional to 70,000.20, 96,600.20 and 41,319.90 is: 57,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,000.20 : 96,600.20 = 41,319.90 : x
  2. Step 2: Convert to fraction form
    70,000.20/96,600.20 = 41,319.90/x
  3. Step 3: Cross multiply
    70,000.20x = 96,600.20 × 41,319.90
  4. Step 4: Simplify right side
    70,000.20x = 3,991,510,397.38
  5. Step 5: Solve for x
    x = 3,991,510,397.38/70,000.20
  6. Step 6: Final answer
    x = 57,021.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.