Home / 86,413.40-129,620.10-24,083.90

Finding the Fourth Proportional to 86,413.40, 129,620.10 and 24,083.90

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Solution

The fourth proportional to 86,413.40, 129,620.10 and 24,083.90 is: 36,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,413.40 : 129,620.10 = 24,083.90 : x
  2. Step 2: Convert to fraction form
    86,413.40/129,620.10 = 24,083.90/x
  3. Step 3: Cross multiply
    86,413.40x = 129,620.10 × 24,083.90
  4. Step 4: Simplify right side
    86,413.40x = 3,121,757,526.39
  5. Step 5: Solve for x
    x = 3,121,757,526.39/86,413.40
  6. Step 6: Final answer
    x = 36,125.85

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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.