Home / 124,712.34-172,103.19-68,123.73

Finding the Fourth Proportional to 124,712.34, 172,103.19 and 68,123.73

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Solution

The fourth proportional to 124,712.34, 172,103.19 and 68,123.73 is: 94,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712.34 : 172,103.19 = 68,123.73 : x
  2. Step 2: Convert to fraction form
    124,712.34/172,103.19 = 68,123.73/x
  3. Step 3: Cross multiply
    124,712.34x = 172,103.19 × 68,123.73
  4. Step 4: Simplify right side
    124,712.34x = 11,724,311,247.70
  5. Step 5: Solve for x
    x = 11,724,311,247.70/124,712.34
  6. Step 6: Final answer
    x = 94,010.84

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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.