Home / 71,490.38-107,194.52-27,088.86

Finding the Fourth Proportional to 71,490.38, 107,194.52 and 27,088.86

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Solution

The fourth proportional to 71,490.38, 107,194.52 and 27,088.86 is: 40,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,490.38 : 107,194.52 = 27,088.86 : x
  2. Step 2: Convert to fraction form
    71,490.38/107,194.52 = 27,088.86/x
  3. Step 3: Cross multiply
    71,490.38x = 107,194.52 × 27,088.86
  4. Step 4: Simplify right side
    71,490.38x = 2,903,777,345.05
  5. Step 5: Solve for x
    x = 2,903,777,345.05/71,490.38
  6. Step 6: Final answer
    x = 40,617.74

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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.