Home / 48,424.12-72,640.35-13,363.77

Finding the Fourth Proportional to 48,424.12, 72,640.35 and 13,363.77

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Solution

The fourth proportional to 48,424.12, 72,640.35 and 13,363.77 is: 20,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,424.12 : 72,640.35 = 13,363.77 : x
  2. Step 2: Convert to fraction form
    48,424.12/72,640.35 = 13,363.77/x
  3. Step 3: Cross multiply
    48,424.12x = 72,640.35 × 13,363.77
  4. Step 4: Simplify right side
    48,424.12x = 970,749,202.52
  5. Step 5: Solve for x
    x = 970,749,202.52/48,424.12
  6. Step 6: Final answer
    x = 20,046.81

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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.