Home / 89,216.53-123,112.67-48,929.41

Finding the Fourth Proportional to 89,216.53, 123,112.67 and 48,929.41

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Solution

The fourth proportional to 89,216.53, 123,112.67 and 48,929.41 is: 67,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,216.53 : 123,112.67 = 48,929.41 : x
  2. Step 2: Convert to fraction form
    89,216.53/123,112.67 = 48,929.41/x
  3. Step 3: Cross multiply
    89,216.53x = 123,112.67 × 48,929.41
  4. Step 4: Simplify right side
    89,216.53x = 6,023,830,306.62
  5. Step 5: Solve for x
    x = 6,023,830,306.62/89,216.53
  6. Step 6: Final answer
    x = 67,519.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.