Home / 124,065.54-171,205.38-67,476.78

Finding the Fourth Proportional to 124,065.54, 171,205.38 and 67,476.78

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Solution

The fourth proportional to 124,065.54, 171,205.38 and 67,476.78 is: 93,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,065.54 : 171,205.38 = 67,476.78 : x
  2. Step 2: Convert to fraction form
    124,065.54/171,205.38 = 67,476.78/x
  3. Step 3: Cross multiply
    124,065.54x = 171,205.38 × 67,476.78
  4. Step 4: Simplify right side
    124,065.54x = 11,552,387,761.08
  5. Step 5: Solve for x
    x = 11,552,387,761.08/124,065.54
  6. Step 6: Final answer
    x = 93,115.20

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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.