Home / 89,054.43-133,540.11-51,625.20

Finding the Fourth Proportional to 89,054.43, 133,540.11 and 51,625.20

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Solution

The fourth proportional to 89,054.43, 133,540.11 and 51,625.20 is: 77,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,054.43 : 133,540.11 = 51,625.20 : x
  2. Step 2: Convert to fraction form
    89,054.43/133,540.11 = 51,625.20/x
  3. Step 3: Cross multiply
    89,054.43x = 133,540.11 × 51,625.20
  4. Step 4: Simplify right side
    89,054.43x = 6,894,034,886.77
  5. Step 5: Solve for x
    x = 6,894,034,886.77/89,054.43
  6. Step 6: Final answer
    x = 77,413.72

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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.