Home / 106,987.97-147,641.59-59,240.29

Finding the Fourth Proportional to 106,987.97, 147,641.59 and 59,240.29

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Solution

The fourth proportional to 106,987.97, 147,641.59 and 59,240.29 is: 81,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,987.97 : 147,641.59 = 59,240.29 : x
  2. Step 2: Convert to fraction form
    106,987.97/147,641.59 = 59,240.29/x
  3. Step 3: Cross multiply
    106,987.97x = 147,641.59 × 59,240.29
  4. Step 4: Simplify right side
    106,987.97x = 8,746,330,589.44
  5. Step 5: Solve for x
    x = 8,746,330,589.44/106,987.97
  6. Step 6: Final answer
    x = 81,750.60

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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.