Home / 125,445.11-173,111.36-68,084.54

Finding the Fourth Proportional to 125,445.11, 173,111.36 and 68,084.54

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Solution

The fourth proportional to 125,445.11, 173,111.36 and 68,084.54 is: 93,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,445.11 : 173,111.36 = 68,084.54 : x
  2. Step 2: Convert to fraction form
    125,445.11/173,111.36 = 68,084.54/x
  3. Step 3: Cross multiply
    125,445.11x = 173,111.36 × 68,084.54
  4. Step 4: Simplify right side
    125,445.11x = 11,786,206,108.39
  5. Step 5: Solve for x
    x = 11,786,206,108.39/125,445.11
  6. Step 6: Final answer
    x = 93,955.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.