Home / 124,944.78-172,423.59-68,356.14

Finding the Fourth Proportional to 124,944.78, 172,423.59 and 68,356.14

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Solution

The fourth proportional to 124,944.78, 172,423.59 and 68,356.14 is: 94,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944.78 : 172,423.59 = 68,356.14 : x
  2. Step 2: Convert to fraction form
    124,944.78/172,423.59 = 68,356.14/x
  3. Step 3: Cross multiply
    124,944.78x = 172,423.59 × 68,356.14
  4. Step 4: Simplify right side
    124,944.78x = 11,786,211,057.34
  5. Step 5: Solve for x
    x = 11,786,211,057.34/124,944.78
  6. Step 6: Final answer
    x = 94,331.36

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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.