Home / 76,939.46-115,397.61-24,342.11

Finding the Fourth Proportional to 76,939.46, 115,397.61 and 24,342.11

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Solution

The fourth proportional to 76,939.46, 115,397.61 and 24,342.11 is: 36,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,939.46 : 115,397.61 = 24,342.11 : x
  2. Step 2: Convert to fraction form
    76,939.46/115,397.61 = 24,342.11/x
  3. Step 3: Cross multiply
    76,939.46x = 115,397.61 × 24,342.11
  4. Step 4: Simplify right side
    76,939.46x = 2,809,020,739.37
  5. Step 5: Solve for x
    x = 2,809,020,739.37/76,939.46
  6. Step 6: Final answer
    x = 36,509.50

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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.