Home / 48,092.76-72,143.25-12,558.81

Finding the Fourth Proportional to 48,092.76, 72,143.25 and 12,558.81

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Solution

The fourth proportional to 48,092.76, 72,143.25 and 12,558.81 is: 18,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,092.76 : 72,143.25 = 12,558.81 : x
  2. Step 2: Convert to fraction form
    48,092.76/72,143.25 = 12,558.81/x
  3. Step 3: Cross multiply
    48,092.76x = 72,143.25 × 12,558.81
  4. Step 4: Simplify right side
    48,092.76x = 906,033,369.53
  5. Step 5: Solve for x
    x = 906,033,369.53/48,092.76
  6. Step 6: Final answer
    x = 18,839.29

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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.