Home / 124,870.77-172,319.04-68,282.10

Finding the Fourth Proportional to 124,870.77, 172,319.04 and 68,282.10

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Solution

The fourth proportional to 124,870.77, 172,319.04 and 68,282.10 is: 94,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,870.77 : 172,319.04 = 68,282.10 : x
  2. Step 2: Convert to fraction form
    124,870.77/172,319.04 = 68,282.10/x
  3. Step 3: Cross multiply
    124,870.77x = 172,319.04 × 68,282.10
  4. Step 4: Simplify right side
    124,870.77x = 11,766,305,921.18
  5. Step 5: Solve for x
    x = 11,766,305,921.18/124,870.77
  6. Step 6: Final answer
    x = 94,227.86

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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.