Home / 67,148.90-100,601.85-53,200.70

Finding the Fourth Proportional to 67,148.90, 100,601.85 and 53,200.70

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Solution

The fourth proportional to 67,148.90, 100,601.85 and 53,200.70 is: 79,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,148.90 : 100,601.85 = 53,200.70 : x
  2. Step 2: Convert to fraction form
    67,148.90/100,601.85 = 53,200.70/x
  3. Step 3: Cross multiply
    67,148.90x = 100,601.85 × 53,200.70
  4. Step 4: Simplify right side
    67,148.90x = 5,352,088,841.30
  5. Step 5: Solve for x
    x = 5,352,088,841.30/67,148.90
  6. Step 6: Final answer
    x = 79,704.79

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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.