Home / 104,881.03-157,260.79-71,641.26

Finding the Fourth Proportional to 104,881.03, 157,260.79 and 71,641.26

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Solution

The fourth proportional to 104,881.03, 157,260.79 and 71,641.26 is: 107,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,881.03 : 157,260.79 = 71,641.26 : x
  2. Step 2: Convert to fraction form
    104,881.03/157,260.79 = 71,641.26/x
  3. Step 3: Cross multiply
    104,881.03x = 157,260.79 × 71,641.26
  4. Step 4: Simplify right side
    104,881.03x = 11,266,361,233.75
  5. Step 5: Solve for x
    x = 11,266,361,233.75/104,881.03
  6. Step 6: Final answer
    x = 107,420.39

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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.