Home / 76,400.42-114,624.10-36,470.36

Finding the Fourth Proportional to 76,400.42, 114,624.10 and 36,470.36

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Solution

The fourth proportional to 76,400.42, 114,624.10 and 36,470.36 is: 54,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,400.42 : 114,624.10 = 36,470.36 : x
  2. Step 2: Convert to fraction form
    76,400.42/114,624.10 = 36,470.36/x
  3. Step 3: Cross multiply
    76,400.42x = 114,624.10 × 36,470.36
  4. Step 4: Simplify right side
    76,400.42x = 4,180,382,191.68
  5. Step 5: Solve for x
    x = 4,180,382,191.68/76,400.42
  6. Step 6: Final answer
    x = 54,716.74

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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.