Home / 124,839.95-172,290.98-68,259.83

Finding the Fourth Proportional to 124,839.95, 172,290.98 and 68,259.83

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Solution

The fourth proportional to 124,839.95, 172,290.98 and 68,259.83 is: 94,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,839.95 : 172,290.98 = 68,259.83 : x
  2. Step 2: Convert to fraction form
    124,839.95/172,290.98 = 68,259.83/x
  3. Step 3: Cross multiply
    124,839.95x = 172,290.98 × 68,259.83
  4. Step 4: Simplify right side
    124,839.95x = 11,760,552,314.53
  5. Step 5: Solve for x
    x = 11,760,552,314.53/124,839.95
  6. Step 6: Final answer
    x = 94,205.04

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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.