Home / 124,397.52-171,667.26-67,807.68

Finding the Fourth Proportional to 124,397.52, 171,667.26 and 67,807.68

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Solution

The fourth proportional to 124,397.52, 171,667.26 and 67,807.68 is: 93,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,397.52 : 171,667.26 = 67,807.68 : x
  2. Step 2: Convert to fraction form
    124,397.52/171,667.26 = 67,807.68/x
  3. Step 3: Cross multiply
    124,397.52x = 171,667.26 × 67,807.68
  4. Step 4: Simplify right side
    124,397.52x = 11,640,358,632.56
  5. Step 5: Solve for x
    x = 11,640,358,632.56/124,397.52
  6. Step 6: Final answer
    x = 93,573.88

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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.