Home / 124,221.32-171,419.70-67,632.52

Finding the Fourth Proportional to 124,221.32, 171,419.70 and 67,632.52

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Solution

The fourth proportional to 124,221.32, 171,419.70 and 67,632.52 is: 93,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,221.32 : 171,419.70 = 67,632.52 : x
  2. Step 2: Convert to fraction form
    124,221.32/171,419.70 = 67,632.52/x
  3. Step 3: Cross multiply
    124,221.32x = 171,419.70 × 67,632.52
  4. Step 4: Simplify right side
    124,221.32x = 11,593,546,288.64
  5. Step 5: Solve for x
    x = 11,593,546,288.64/124,221.32
  6. Step 6: Final answer
    x = 93,329.76

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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.