Home / 124,719.73-172,113.18-67,359.07

Finding the Fourth Proportional to 124,719.73, 172,113.18 and 67,359.07

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Solution

The fourth proportional to 124,719.73, 172,113.18 and 67,359.07 is: 92,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,719.73 : 172,113.18 = 67,359.07 : x
  2. Step 2: Convert to fraction form
    124,719.73/172,113.18 = 67,359.07/x
  3. Step 3: Cross multiply
    124,719.73x = 172,113.18 × 67,359.07
  4. Step 4: Simplify right side
    124,719.73x = 11,593,383,739.54
  5. Step 5: Solve for x
    x = 11,593,383,739.54/124,719.73
  6. Step 6: Final answer
    x = 92,955.49

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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.