Home / 71,818.12-107,732.10-24,413.92

Finding the Fourth Proportional to 71,818.12, 107,732.10 and 24,413.92

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Solution

The fourth proportional to 71,818.12, 107,732.10 and 24,413.92 is: 36,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,818.12 : 107,732.10 = 24,413.92 : x
  2. Step 2: Convert to fraction form
    71,818.12/107,732.10 = 24,413.92/x
  3. Step 3: Cross multiply
    71,818.12x = 107,732.10 × 24,413.92
  4. Step 4: Simplify right side
    71,818.12x = 2,630,162,870.83
  5. Step 5: Solve for x
    x = 2,630,162,870.83/71,818.12
  6. Step 6: Final answer
    x = 36,622.55

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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.