Home / 125,050.19-172,591.07-74,091.61

Finding the Fourth Proportional to 125,050.19, 172,591.07 and 74,091.61

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Solution

The fourth proportional to 125,050.19, 172,591.07 and 74,091.61 is: 102,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,050.19 : 172,591.07 = 74,091.61 : x
  2. Step 2: Convert to fraction form
    125,050.19/172,591.07 = 74,091.61/x
  3. Step 3: Cross multiply
    125,050.19x = 172,591.07 × 74,091.61
  4. Step 4: Simplify right side
    125,050.19x = 12,787,550,247.92
  5. Step 5: Solve for x
    x = 12,787,550,247.92/125,050.19
  6. Step 6: Final answer
    x = 102,259.34

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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.