Home / 124,549.12-171,876.36-67,961.44

Finding the Fourth Proportional to 124,549.12, 171,876.36 and 67,961.44

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Solution

The fourth proportional to 124,549.12, 171,876.36 and 67,961.44 is: 93,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,549.12 : 171,876.36 = 67,961.44 : x
  2. Step 2: Convert to fraction form
    124,549.12/171,876.36 = 67,961.44/x
  3. Step 3: Cross multiply
    124,549.12x = 171,876.36 × 67,961.44
  4. Step 4: Simplify right side
    124,549.12x = 11,680,964,927.56
  5. Step 5: Solve for x
    x = 11,680,964,927.56/124,549.12
  6. Step 6: Final answer
    x = 93,786.01

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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.