Home / 89,275.13-123,199.34-48,989.57

Finding the Fourth Proportional to 89,275.13, 123,199.34 and 48,989.57

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Solution

The fourth proportional to 89,275.13, 123,199.34 and 48,989.57 is: 67,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,275.13 : 123,199.34 = 48,989.57 : x
  2. Step 2: Convert to fraction form
    89,275.13/123,199.34 = 48,989.57/x
  3. Step 3: Cross multiply
    89,275.13x = 123,199.34 × 48,989.57
  4. Step 4: Simplify right side
    89,275.13x = 6,035,481,829.94
  5. Step 5: Solve for x
    x = 6,035,481,829.94/89,275.13
  6. Step 6: Final answer
    x = 67,605.41

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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.