Home / 89,195.95-123,090.23-48,908.78

Finding the Fourth Proportional to 89,195.95, 123,090.23 and 48,908.78

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Solution

The fourth proportional to 89,195.95, 123,090.23 and 48,908.78 is: 67,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,195.95 : 123,090.23 = 48,908.78 : x
  2. Step 2: Convert to fraction form
    89,195.95/123,090.23 = 48,908.78/x
  3. Step 3: Cross multiply
    89,195.95x = 123,090.23 × 48,908.78
  4. Step 4: Simplify right side
    89,195.95x = 6,020,192,947.63
  5. Step 5: Solve for x
    x = 6,020,192,947.63/89,195.95
  6. Step 6: Final answer
    x = 67,494.02

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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.