Home / 101,177.12-151,781.94-38,001.98

Finding the Fourth Proportional to 101,177.12, 151,781.94 and 38,001.98

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Solution

The fourth proportional to 101,177.12, 151,781.94 and 38,001.98 is: 57,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,177.12 : 151,781.94 = 38,001.98 : x
  2. Step 2: Convert to fraction form
    101,177.12/151,781.94 = 38,001.98/x
  3. Step 3: Cross multiply
    101,177.12x = 151,781.94 × 38,001.98
  4. Step 4: Simplify right side
    101,177.12x = 5,768,013,489.33
  5. Step 5: Solve for x
    x = 5,768,013,489.33/101,177.12
  6. Step 6: Final answer
    x = 57,009.07

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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.