Home / 124,841.14-172,280.76-68,252.50

Finding the Fourth Proportional to 124,841.14, 172,280.76 and 68,252.50

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Solution

The fourth proportional to 124,841.14, 172,280.76 and 68,252.50 is: 94,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,841.14 : 172,280.76 = 68,252.50 : x
  2. Step 2: Convert to fraction form
    124,841.14/172,280.76 = 68,252.50/x
  3. Step 3: Cross multiply
    124,841.14x = 172,280.76 × 68,252.50
  4. Step 4: Simplify right side
    124,841.14x = 11,758,592,571.90
  5. Step 5: Solve for x
    x = 11,758,592,571.90/124,841.14
  6. Step 6: Final answer
    x = 94,188.44

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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.