Home / 45,470.46-62,699.07-31,132.65

Finding the Fourth Proportional to 45,470.46, 62,699.07 and 31,132.65

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Solution

The fourth proportional to 45,470.46, 62,699.07 and 31,132.65 is: 42,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,470.46 : 62,699.07 = 31,132.65 : x
  2. Step 2: Convert to fraction form
    45,470.46/62,699.07 = 31,132.65/x
  3. Step 3: Cross multiply
    45,470.46x = 62,699.07 × 31,132.65
  4. Step 4: Simplify right side
    45,470.46x = 1,951,988,201.64
  5. Step 5: Solve for x
    x = 1,951,988,201.64/45,470.46
  6. Step 6: Final answer
    x = 42,928.71

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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.