Home / 103,001.13-154,462.82-47,558.25

Finding the Fourth Proportional to 103,001.13, 154,462.82 and 47,558.25

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Solution

The fourth proportional to 103,001.13, 154,462.82 and 47,558.25 is: 71,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,001.13 : 154,462.82 = 47,558.25 : x
  2. Step 2: Convert to fraction form
    103,001.13/154,462.82 = 47,558.25/x
  3. Step 3: Cross multiply
    103,001.13x = 154,462.82 × 47,558.25
  4. Step 4: Simplify right side
    103,001.13x = 7,345,981,171.47
  5. Step 5: Solve for x
    x = 7,345,981,171.47/103,001.13
  6. Step 6: Final answer
    x = 71,319.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.