Home / 125,680.72-173,413.24-74,711.48

Finding the Fourth Proportional to 125,680.72, 173,413.24 and 74,711.48

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Solution

The fourth proportional to 125,680.72, 173,413.24 and 74,711.48 is: 103,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,680.72 : 173,413.24 = 74,711.48 : x
  2. Step 2: Convert to fraction form
    125,680.72/173,413.24 = 74,711.48/x
  3. Step 3: Cross multiply
    125,680.72x = 173,413.24 × 74,711.48
  4. Step 4: Simplify right side
    125,680.72x = 12,955,959,812.00
  5. Step 5: Solve for x
    x = 12,955,959,812.00/125,680.72
  6. Step 6: Final answer
    x = 103,086.30

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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.