Home / 108,788.73-163,191-45,545.25

Finding the Fourth Proportional to 108,788.73, 163,191 and 45,545.25

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Solution

The fourth proportional to 108,788.73, 163,191 and 45,545.25 is: 68,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,788.73 : 163,191 = 45,545.25 : x
  2. Step 2: Convert to fraction form
    108,788.73/163,191 = 45,545.25/x
  3. Step 3: Cross multiply
    108,788.73x = 163,191 × 45,545.25
  4. Step 4: Simplify right side
    108,788.73x = 7,432,574,892.75
  5. Step 5: Solve for x
    x = 7,432,574,892.75/108,788.73
  6. Step 6: Final answer
    x = 68,321.18

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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.