Home / 89,375.39-123,339.57-49,090.85

Finding the Fourth Proportional to 89,375.39, 123,339.57 and 49,090.85

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Solution

The fourth proportional to 89,375.39, 123,339.57 and 49,090.85 is: 67,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,375.39 : 123,339.57 = 49,090.85 : x
  2. Step 2: Convert to fraction form
    89,375.39/123,339.57 = 49,090.85/x
  3. Step 3: Cross multiply
    89,375.39x = 123,339.57 × 49,090.85
  4. Step 4: Simplify right side
    89,375.39x = 6,054,844,329.93
  5. Step 5: Solve for x
    x = 6,054,844,329.93/89,375.39
  6. Step 6: Final answer
    x = 67,746.21

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1.5x scale

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.