Home / 67,225.20-100,560.75-55,244.08

Finding the Fourth Proportional to 67,225.20, 100,560.75 and 55,244.08

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Solution

The fourth proportional to 67,225.20, 100,560.75 and 55,244.08 is: 82,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,225.20 : 100,560.75 = 55,244.08 : x
  2. Step 2: Convert to fraction form
    67,225.20/100,560.75 = 55,244.08/x
  3. Step 3: Cross multiply
    67,225.20x = 100,560.75 × 55,244.08
  4. Step 4: Simplify right side
    67,225.20x = 5,555,386,117.86
  5. Step 5: Solve for x
    x = 5,555,386,117.86/67,225.20
  6. Step 6: Final answer
    x = 82,638.45

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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.