Home / 90,598.11-125,027.07-50,315.61

Finding the Fourth Proportional to 90,598.11, 125,027.07 and 50,315.61

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Solution

The fourth proportional to 90,598.11, 125,027.07 and 50,315.61 is: 69,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,598.11 : 125,027.07 = 50,315.61 : x
  2. Step 2: Convert to fraction form
    90,598.11/125,027.07 = 50,315.61/x
  3. Step 3: Cross multiply
    90,598.11x = 125,027.07 × 50,315.61
  4. Step 4: Simplify right side
    90,598.11x = 6,290,813,293.56
  5. Step 5: Solve for x
    x = 6,290,813,293.56/90,598.11
  6. Step 6: Final answer
    x = 69,436.47

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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.