Home / 104,781.34-157,077.24-38,205.90

Finding the Fourth Proportional to 104,781.34, 157,077.24 and 38,205.90

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Solution

The fourth proportional to 104,781.34, 157,077.24 and 38,205.90 is: 57,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781.34 : 157,077.24 = 38,205.90 : x
  2. Step 2: Convert to fraction form
    104,781.34/157,077.24 = 38,205.90/x
  3. Step 3: Cross multiply
    104,781.34x = 157,077.24 × 38,205.90
  4. Step 4: Simplify right side
    104,781.34x = 6,001,276,538.33
  5. Step 5: Solve for x
    x = 6,001,276,538.33/104,781.34
  6. Step 6: Final answer
    x = 57,274.29

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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.