Home / 89,176.15-123,064.11-50,940.77

Finding the Fourth Proportional to 89,176.15, 123,064.11 and 50,940.77

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Solution

The fourth proportional to 89,176.15, 123,064.11 and 50,940.77 is: 70,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,176.15 : 123,064.11 = 50,940.77 : x
  2. Step 2: Convert to fraction form
    89,176.15/123,064.11 = 50,940.77/x
  3. Step 3: Cross multiply
    89,176.15x = 123,064.11 × 50,940.77
  4. Step 4: Simplify right side
    89,176.15x = 6,268,980,830.42
  5. Step 5: Solve for x
    x = 6,268,980,830.42/89,176.15
  6. Step 6: Final answer
    x = 70,298.85

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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.