Home / 107,863.11-148,851.24-64,843.07

Finding the Fourth Proportional to 107,863.11, 148,851.24 and 64,843.07

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Solution

The fourth proportional to 107,863.11, 148,851.24 and 64,843.07 is: 89,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,863.11 : 148,851.24 = 64,843.07 : x
  2. Step 2: Convert to fraction form
    107,863.11/148,851.24 = 64,843.07/x
  3. Step 3: Cross multiply
    107,863.11x = 148,851.24 × 64,843.07
  4. Step 4: Simplify right side
    107,863.11x = 9,651,970,387.49
  5. Step 5: Solve for x
    x = 9,651,970,387.49/107,863.11
  6. Step 6: Final answer
    x = 89,483.52

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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.