Home / 49,470.47-68,284.75-31,565.44

Finding the Fourth Proportional to 49,470.47, 68,284.75 and 31,565.44

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Solution

The fourth proportional to 49,470.47, 68,284.75 and 31,565.44 is: 43,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,470.47 : 68,284.75 = 31,565.44 : x
  2. Step 2: Convert to fraction form
    49,470.47/68,284.75 = 31,565.44/x
  3. Step 3: Cross multiply
    49,470.47x = 68,284.75 × 31,565.44
  4. Step 4: Simplify right side
    49,470.47x = 2,155,438,179.04
  5. Step 5: Solve for x
    x = 2,155,438,179.04/49,470.47
  6. Step 6: Final answer
    x = 43,570.20

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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.