Home / 71,223.68-98,199.20-45,684.96

Finding the Fourth Proportional to 71,223.68, 98,199.20 and 45,684.96

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Solution

The fourth proportional to 71,223.68, 98,199.20 and 45,684.96 is: 62,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,223.68 : 98,199.20 = 45,684.96 : x
  2. Step 2: Convert to fraction form
    71,223.68/98,199.20 = 45,684.96/x
  3. Step 3: Cross multiply
    71,223.68x = 98,199.20 × 45,684.96
  4. Step 4: Simplify right side
    71,223.68x = 4,486,226,524.03
  5. Step 5: Solve for x
    x = 4,486,226,524.03/71,223.68
  6. Step 6: Final answer
    x = 62,987.85

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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.