Home / 124,219.68-171,418.56-67,629.92

Finding the Fourth Proportional to 124,219.68, 171,418.56 and 67,629.92

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Solution

The fourth proportional to 124,219.68, 171,418.56 and 67,629.92 is: 93,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,219.68 : 171,418.56 = 67,629.92 : x
  2. Step 2: Convert to fraction form
    124,219.68/171,418.56 = 67,629.92/x
  3. Step 3: Cross multiply
    124,219.68x = 171,418.56 × 67,629.92
  4. Step 4: Simplify right side
    124,219.68x = 11,593,023,499.32
  5. Step 5: Solve for x
    x = 11,593,023,499.32/124,219.68
  6. Step 6: Final answer
    x = 93,326.79

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1.5x scale

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.