Home / 48,821.51-67,353.75-31,819.53

Finding the Fourth Proportional to 48,821.51, 67,353.75 and 31,819.53

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Solution

The fourth proportional to 48,821.51, 67,353.75 and 31,819.53 is: 43,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,821.51 : 67,353.75 = 31,819.53 : x
  2. Step 2: Convert to fraction form
    48,821.51/67,353.75 = 31,819.53/x
  3. Step 3: Cross multiply
    48,821.51x = 67,353.75 × 31,819.53
  4. Step 4: Simplify right side
    48,821.51x = 2,143,164,668.74
  5. Step 5: Solve for x
    x = 2,143,164,668.74/48,821.51
  6. Step 6: Final answer
    x = 43,897.96

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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.