Home / 61,149.15-84,350.07-38,452.20

Finding the Fourth Proportional to 61,149.15, 84,350.07 and 38,452.20

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Solution

The fourth proportional to 61,149.15, 84,350.07 and 38,452.20 is: 53,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,149.15 : 84,350.07 = 38,452.20 : x
  2. Step 2: Convert to fraction form
    61,149.15/84,350.07 = 38,452.20/x
  3. Step 3: Cross multiply
    61,149.15x = 84,350.07 × 38,452.20
  4. Step 4: Simplify right side
    61,149.15x = 3,243,445,761.65
  5. Step 5: Solve for x
    x = 3,243,445,761.65/61,149.15
  6. Step 6: Final answer
    x = 53,041.55

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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.