Home / 77,710.86-107,234.69-43,724.88

Finding the Fourth Proportional to 77,710.86, 107,234.69 and 43,724.88

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Solution

The fourth proportional to 77,710.86, 107,234.69 and 43,724.88 is: 60,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,710.86 : 107,234.69 = 43,724.88 : x
  2. Step 2: Convert to fraction form
    77,710.86/107,234.69 = 43,724.88/x
  3. Step 3: Cross multiply
    77,710.86x = 107,234.69 × 43,724.88
  4. Step 4: Simplify right side
    77,710.86x = 4,688,823,733.46
  5. Step 5: Solve for x
    x = 4,688,823,733.46/77,710.86
  6. Step 6: Final answer
    x = 60,336.79

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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.