Home / 124,983.20-172,472.59-68,393.36

Finding the Fourth Proportional to 124,983.20, 172,472.59 and 68,393.36

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Solution

The fourth proportional to 124,983.20, 172,472.59 and 68,393.36 is: 94,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.20 : 172,472.59 = 68,393.36 : x
  2. Step 2: Convert to fraction form
    124,983.20/172,472.59 = 68,393.36/x
  3. Step 3: Cross multiply
    124,983.20x = 172,472.59 × 68,393.36
  4. Step 4: Simplify right side
    124,983.20x = 11,795,980,454.68
  5. Step 5: Solve for x
    x = 11,795,980,454.68/124,983.20
  6. Step 6: Final answer
    x = 94,380.53

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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.