Home / 90,921.40-136,382.01-24,359.71

Finding the Fourth Proportional to 90,921.40, 136,382.01 and 24,359.71

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Solution

The fourth proportional to 90,921.40, 136,382.01 and 24,359.71 is: 36,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,921.40 : 136,382.01 = 24,359.71 : x
  2. Step 2: Convert to fraction form
    90,921.40/136,382.01 = 24,359.71/x
  3. Step 3: Cross multiply
    90,921.40x = 136,382.01 × 24,359.71
  4. Step 4: Simplify right side
    90,921.40x = 3,322,226,505.44
  5. Step 5: Solve for x
    x = 3,322,226,505.44/90,921.40
  6. Step 6: Final answer
    x = 36,539.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.