Home / 112,645.06-155,450.37-62,344.06

Finding the Fourth Proportional to 112,645.06, 155,450.37 and 62,344.06

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Solution

The fourth proportional to 112,645.06, 155,450.37 and 62,344.06 is: 86,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,645.06 : 155,450.37 = 62,344.06 : x
  2. Step 2: Convert to fraction form
    112,645.06/155,450.37 = 62,344.06/x
  3. Step 3: Cross multiply
    112,645.06x = 155,450.37 × 62,344.06
  4. Step 4: Simplify right side
    112,645.06x = 9,691,407,194.30
  5. Step 5: Solve for x
    x = 9,691,407,194.30/112,645.06
  6. Step 6: Final answer
    x = 86,034.91

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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.