Home / 89,544.67-123,589.13-51,329.81

Finding the Fourth Proportional to 89,544.67, 123,589.13 and 51,329.81

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Solution

The fourth proportional to 89,544.67, 123,589.13 and 51,329.81 is: 70,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,544.67 : 123,589.13 = 51,329.81 : x
  2. Step 2: Convert to fraction form
    89,544.67/123,589.13 = 51,329.81/x
  3. Step 3: Cross multiply
    89,544.67x = 123,589.13 × 51,329.81
  4. Step 4: Simplify right side
    89,544.67x = 6,343,806,613.29
  5. Step 5: Solve for x
    x = 6,343,806,613.29/89,544.67
  6. Step 6: Final answer
    x = 70,845.16

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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.