Home / 52,262.20-72,123.78-31,044.52

Finding the Fourth Proportional to 52,262.20, 72,123.78 and 31,044.52

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Solution

The fourth proportional to 52,262.20, 72,123.78 and 31,044.52 is: 42,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,262.20 : 72,123.78 = 31,044.52 : x
  2. Step 2: Convert to fraction form
    52,262.20/72,123.78 = 31,044.52/x
  3. Step 3: Cross multiply
    52,262.20x = 72,123.78 × 31,044.52
  4. Step 4: Simplify right side
    52,262.20x = 2,239,048,130.69
  5. Step 5: Solve for x
    x = 2,239,048,130.69/52,262.20
  6. Step 6: Final answer
    x = 42,842.59

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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.