Home / 89,731.08-123,834.38-49,444.85

Finding the Fourth Proportional to 89,731.08, 123,834.38 and 49,444.85

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Solution

The fourth proportional to 89,731.08, 123,834.38 and 49,444.85 is: 68,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,731.08 : 123,834.38 = 49,444.85 : x
  2. Step 2: Convert to fraction form
    89,731.08/123,834.38 = 49,444.85/x
  3. Step 3: Cross multiply
    89,731.08x = 123,834.38 × 49,444.85
  4. Step 4: Simplify right side
    89,731.08x = 6,122,971,477.55
  5. Step 5: Solve for x
    x = 6,122,971,477.55/89,731.08
  6. Step 6: Final answer
    x = 68,236.91

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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.