Home / 89,595.67-123,639.39-49,309.41

Finding the Fourth Proportional to 89,595.67, 123,639.39 and 49,309.41

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Solution

The fourth proportional to 89,595.67, 123,639.39 and 49,309.41 is: 68,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,595.67 : 123,639.39 = 49,309.41 : x
  2. Step 2: Convert to fraction form
    89,595.67/123,639.39 = 49,309.41/x
  3. Step 3: Cross multiply
    89,595.67x = 123,639.39 × 49,309.41
  4. Step 4: Simplify right side
    89,595.67x = 6,096,585,373.66
  5. Step 5: Solve for x
    x = 6,096,585,373.66/89,595.67
  6. Step 6: Final answer
    x = 68,045.54

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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.