Home / 48,605.26-72,907.92-13,545.84

Finding the Fourth Proportional to 48,605.26, 72,907.92 and 13,545.84

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Solution

The fourth proportional to 48,605.26, 72,907.92 and 13,545.84 is: 20,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.26 : 72,907.92 = 13,545.84 : x
  2. Step 2: Convert to fraction form
    48,605.26/72,907.92 = 13,545.84/x
  3. Step 3: Cross multiply
    48,605.26x = 72,907.92 × 13,545.84
  4. Step 4: Simplify right side
    48,605.26x = 987,599,019.05
  5. Step 5: Solve for x
    x = 987,599,019.05/48,605.26
  6. Step 6: Final answer
    x = 20,318.77

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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.