Home / 107,687.88-148,626.90-62,386.20

Finding the Fourth Proportional to 107,687.88, 148,626.90 and 62,386.20

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Solution

The fourth proportional to 107,687.88, 148,626.90 and 62,386.20 is: 86,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.88 : 148,626.90 = 62,386.20 : x
  2. Step 2: Convert to fraction form
    107,687.88/148,626.90 = 62,386.20/x
  3. Step 3: Cross multiply
    107,687.88x = 148,626.90 × 62,386.20
  4. Step 4: Simplify right side
    107,687.88x = 9,272,267,508.78
  5. Step 5: Solve for x
    x = 9,272,267,508.78/107,687.88
  6. Step 6: Final answer
    x = 86,103.17

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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.