Home / 100,040.24-138,098.04-62,333.12

Finding the Fourth Proportional to 100,040.24, 138,098.04 and 62,333.12

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Solution

The fourth proportional to 100,040.24, 138,098.04 and 62,333.12 is: 86,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,040.24 : 138,098.04 = 62,333.12 : x
  2. Step 2: Convert to fraction form
    100,040.24/138,098.04 = 62,333.12/x
  3. Step 3: Cross multiply
    100,040.24x = 138,098.04 × 62,333.12
  4. Step 4: Simplify right side
    100,040.24x = 8,608,081,699.08
  5. Step 5: Solve for x
    x = 8,608,081,699.08/100,040.24
  6. Step 6: Final answer
    x = 86,046.19

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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.