Home / 69,612.18-96,065.09-37,781.11

Finding the Fourth Proportional to 69,612.18, 96,065.09 and 37,781.11

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Solution

The fourth proportional to 69,612.18, 96,065.09 and 37,781.11 is: 52,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.18 : 96,065.09 = 37,781.11 : x
  2. Step 2: Convert to fraction form
    69,612.18/96,065.09 = 37,781.11/x
  3. Step 3: Cross multiply
    69,612.18x = 96,065.09 × 37,781.11
  4. Step 4: Simplify right side
    69,612.18x = 3,629,445,543.54
  5. Step 5: Solve for x
    x = 3,629,445,543.54/69,612.18
  6. Step 6: Final answer
    x = 52,138.09

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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.