Home / 104,928.67-157,335.29-71,686.27

Finding the Fourth Proportional to 104,928.67, 157,335.29 and 71,686.27

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Solution

The fourth proportional to 104,928.67, 157,335.29 and 71,686.27 is: 107,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.67 : 157,335.29 = 71,686.27 : x
  2. Step 2: Convert to fraction form
    104,928.67/157,335.29 = 71,686.27/x
  3. Step 3: Cross multiply
    104,928.67x = 157,335.29 × 71,686.27
  4. Step 4: Simplify right side
    104,928.67x = 11,278,779,099.90
  5. Step 5: Solve for x
    x = 11,278,779,099.90/104,928.67
  6. Step 6: Final answer
    x = 107,489.97

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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.