Home / 104,770.31-157,179.76-38,207.75

Finding the Fourth Proportional to 104,770.31, 157,179.76 and 38,207.75

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Solution

The fourth proportional to 104,770.31, 157,179.76 and 38,207.75 is: 57,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,770.31 : 157,179.76 = 38,207.75 : x
  2. Step 2: Convert to fraction form
    104,770.31/157,179.76 = 38,207.75/x
  3. Step 3: Cross multiply
    104,770.31x = 157,179.76 × 38,207.75
  4. Step 4: Simplify right side
    104,770.31x = 6,005,484,093.72
  5. Step 5: Solve for x
    x = 6,005,484,093.72/104,770.31
  6. Step 6: Final answer
    x = 57,320.48

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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.