Home / 49,170.60-67,866.18-31,262.11

Finding the Fourth Proportional to 49,170.60, 67,866.18 and 31,262.11

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Solution

The fourth proportional to 49,170.60, 67,866.18 and 31,262.11 is: 43,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170.60 : 67,866.18 = 31,262.11 : x
  2. Step 2: Convert to fraction form
    49,170.60/67,866.18 = 31,262.11/x
  3. Step 3: Cross multiply
    49,170.60x = 67,866.18 × 31,262.11
  4. Step 4: Simplify right side
    49,170.60x = 2,121,639,828.13
  5. Step 5: Solve for x
    x = 2,121,639,828.13/49,170.60
  6. Step 6: Final answer
    x = 43,148.54

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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.