Home / 48,144.53-72,217.01-31,609.19

Finding the Fourth Proportional to 48,144.53, 72,217.01 and 31,609.19

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Solution

The fourth proportional to 48,144.53, 72,217.01 and 31,609.19 is: 47,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144.53 : 72,217.01 = 31,609.19 : x
  2. Step 2: Convert to fraction form
    48,144.53/72,217.01 = 31,609.19/x
  3. Step 3: Cross multiply
    48,144.53x = 72,217.01 × 31,609.19
  4. Step 4: Simplify right side
    48,144.53x = 2,282,721,449.89
  5. Step 5: Solve for x
    x = 2,282,721,449.89/48,144.53
  6. Step 6: Final answer
    x = 47,413.93

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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.