Home / 90,947.68-125,491.14-50,660.44

Finding the Fourth Proportional to 90,947.68, 125,491.14 and 50,660.44

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Solution

The fourth proportional to 90,947.68, 125,491.14 and 50,660.44 is: 69,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,947.68 : 125,491.14 = 50,660.44 : x
  2. Step 2: Convert to fraction form
    90,947.68/125,491.14 = 50,660.44/x
  3. Step 3: Cross multiply
    90,947.68x = 125,491.14 × 50,660.44
  4. Step 4: Simplify right side
    90,947.68x = 6,357,436,054.77
  5. Step 5: Solve for x
    x = 6,357,436,054.77/90,947.68
  6. Step 6: Final answer
    x = 69,902.13

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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.