Home / 125,045.19-172,562.36-68,456.56

Finding the Fourth Proportional to 125,045.19, 172,562.36 and 68,456.56

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Solution

The fourth proportional to 125,045.19, 172,562.36 and 68,456.56 is: 94,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,045.19 : 172,562.36 = 68,456.56 : x
  2. Step 2: Convert to fraction form
    125,045.19/172,562.36 = 68,456.56/x
  3. Step 3: Cross multiply
    125,045.19x = 172,562.36 × 68,456.56
  4. Step 4: Simplify right side
    125,045.19x = 11,813,025,551.08
  5. Step 5: Solve for x
    x = 11,813,025,551.08/125,045.19
  6. Step 6: Final answer
    x = 94,470.05

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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.