Home / 90,465.14-124,856.84-50,191.86

Finding the Fourth Proportional to 90,465.14, 124,856.84 and 50,191.86

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Solution

The fourth proportional to 90,465.14, 124,856.84 and 50,191.86 is: 69,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,465.14 : 124,856.84 = 50,191.86 : x
  2. Step 2: Convert to fraction form
    90,465.14/124,856.84 = 50,191.86/x
  3. Step 3: Cross multiply
    90,465.14x = 124,856.84 × 50,191.86
  4. Step 4: Simplify right side
    90,465.14x = 6,266,797,033.32
  5. Step 5: Solve for x
    x = 6,266,797,033.32/90,465.14
  6. Step 6: Final answer
    x = 69,273.06

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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.