Home / 107,695.25-148,616.99-67,431.22

Finding the Fourth Proportional to 107,695.25, 148,616.99 and 67,431.22

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Solution

The fourth proportional to 107,695.25, 148,616.99 and 67,431.22 is: 93,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,695.25 : 148,616.99 = 67,431.22 : x
  2. Step 2: Convert to fraction form
    107,695.25/148,616.99 = 67,431.22/x
  3. Step 3: Cross multiply
    107,695.25x = 148,616.99 × 67,431.22
  4. Step 4: Simplify right side
    107,695.25x = 10,021,424,948.43
  5. Step 5: Solve for x
    x = 10,021,424,948.43/107,695.25
  6. Step 6: Final answer
    x = 93,053.55

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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.