Home / 124,212.28-171,407.28-67,623.52

Finding the Fourth Proportional to 124,212.28, 171,407.28 and 67,623.52

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Solution

The fourth proportional to 124,212.28, 171,407.28 and 67,623.52 is: 93,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.28 : 171,407.28 = 67,623.52 : x
  2. Step 2: Convert to fraction form
    124,212.28/171,407.28 = 67,623.52/x
  3. Step 3: Cross multiply
    124,212.28x = 171,407.28 × 67,623.52
  4. Step 4: Simplify right side
    124,212.28x = 11,591,163,627.23
  5. Step 5: Solve for x
    x = 11,591,163,627.23/124,212.28
  6. Step 6: Final answer
    x = 93,317.37

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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.