Home / 73,008.20-100,743.79-53,898.14

Finding the Fourth Proportional to 73,008.20, 100,743.79 and 53,898.14

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Solution

The fourth proportional to 73,008.20, 100,743.79 and 53,898.14 is: 74,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,008.20 : 100,743.79 = 53,898.14 : x
  2. Step 2: Convert to fraction form
    73,008.20/100,743.79 = 53,898.14/x
  3. Step 3: Cross multiply
    73,008.20x = 100,743.79 × 53,898.14
  4. Step 4: Simplify right side
    73,008.20x = 5,429,902,897.55
  5. Step 5: Solve for x
    x = 5,429,902,897.55/73,008.20
  6. Step 6: Final answer
    x = 74,373.88

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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.