Home / 71,448.71-98,600.22-39,186.14

Finding the Fourth Proportional to 71,448.71, 98,600.22 and 39,186.14

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Solution

The fourth proportional to 71,448.71, 98,600.22 and 39,186.14 is: 54,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.71 : 98,600.22 = 39,186.14 : x
  2. Step 2: Convert to fraction form
    71,448.71/98,600.22 = 39,186.14/x
  3. Step 3: Cross multiply
    71,448.71x = 98,600.22 × 39,186.14
  4. Step 4: Simplify right side
    71,448.71x = 3,863,761,531.95
  5. Step 5: Solve for x
    x = 3,863,761,531.95/71,448.71
  6. Step 6: Final answer
    x = 54,077.42

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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.