Home / 124,908.48-172,375.04-68,318.64

Finding the Fourth Proportional to 124,908.48, 172,375.04 and 68,318.64

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Solution

The fourth proportional to 124,908.48, 172,375.04 and 68,318.64 is: 94,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,908.48 : 172,375.04 = 68,318.64 : x
  2. Step 2: Convert to fraction form
    124,908.48/172,375.04 = 68,318.64/x
  3. Step 3: Cross multiply
    124,908.48x = 172,375.04 × 68,318.64
  4. Step 4: Simplify right side
    124,908.48x = 11,776,428,302.75
  5. Step 5: Solve for x
    x = 11,776,428,302.75/124,908.48
  6. Step 6: Final answer
    x = 94,280.45

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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.