Home / 98,641.06-148,072.16-39,517.95

Finding the Fourth Proportional to 98,641.06, 148,072.16 and 39,517.95

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Solution

The fourth proportional to 98,641.06, 148,072.16 and 39,517.95 is: 59,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,641.06 : 148,072.16 = 39,517.95 : x
  2. Step 2: Convert to fraction form
    98,641.06/148,072.16 = 39,517.95/x
  3. Step 3: Cross multiply
    98,641.06x = 148,072.16 × 39,517.95
  4. Step 4: Simplify right side
    98,641.06x = 5,851,508,215.27
  5. Step 5: Solve for x
    x = 5,851,508,215.27/98,641.06
  6. Step 6: Final answer
    x = 59,321.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.