Home / 99,683.26-137,566.20-54,363.71

Finding the Fourth Proportional to 99,683.26, 137,566.20 and 54,363.71

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Solution

The fourth proportional to 99,683.26, 137,566.20 and 54,363.71 is: 75,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,683.26 : 137,566.20 = 54,363.71 : x
  2. Step 2: Convert to fraction form
    99,683.26/137,566.20 = 54,363.71/x
  3. Step 3: Cross multiply
    99,683.26x = 137,566.20 × 54,363.71
  4. Step 4: Simplify right side
    99,683.26x = 7,478,609,002.60
  5. Step 5: Solve for x
    x = 7,478,609,002.60/99,683.26
  6. Step 6: Final answer
    x = 75,023.72

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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.