Home / 106,987.74-147,642.55-59,240.97

Finding the Fourth Proportional to 106,987.74, 147,642.55 and 59,240.97

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Solution

The fourth proportional to 106,987.74, 147,642.55 and 59,240.97 is: 81,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,987.74 : 147,642.55 = 59,240.97 : x
  2. Step 2: Convert to fraction form
    106,987.74/147,642.55 = 59,240.97/x
  3. Step 3: Cross multiply
    106,987.74x = 147,642.55 × 59,240.97
  4. Step 4: Simplify right side
    106,987.74x = 8,746,487,727.17
  5. Step 5: Solve for x
    x = 8,746,487,727.17/106,987.74
  6. Step 6: Final answer
    x = 81,752.25

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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.