Home / 124,447.11-171,738.14-67,858.71

Finding the Fourth Proportional to 124,447.11, 171,738.14 and 67,858.71

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Solution

The fourth proportional to 124,447.11, 171,738.14 and 67,858.71 is: 93,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,447.11 : 171,738.14 = 67,858.71 : x
  2. Step 2: Convert to fraction form
    124,447.11/171,738.14 = 67,858.71/x
  3. Step 3: Cross multiply
    124,447.11x = 171,738.14 × 67,858.71
  4. Step 4: Simplify right side
    124,447.11x = 11,653,928,298.91
  5. Step 5: Solve for x
    x = 11,653,928,298.91/124,447.11
  6. Step 6: Final answer
    x = 93,645.63

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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.