Home / 77,632.43-107,144.09-43,643.71

Finding the Fourth Proportional to 77,632.43, 107,144.09 and 43,643.71

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Solution

The fourth proportional to 77,632.43, 107,144.09 and 43,643.71 is: 60,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632.43 : 107,144.09 = 43,643.71 : x
  2. Step 2: Convert to fraction form
    77,632.43/107,144.09 = 43,643.71/x
  3. Step 3: Cross multiply
    77,632.43x = 107,144.09 × 43,643.71
  4. Step 4: Simplify right side
    77,632.43x = 4,676,165,794.30
  5. Step 5: Solve for x
    x = 4,676,165,794.30/77,632.43
  6. Step 6: Final answer
    x = 60,234.70

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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.