Home / 89,140.56-123,015.24-48,858

Finding the Fourth Proportional to 89,140.56, 123,015.24 and 48,858

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Solution

The fourth proportional to 89,140.56, 123,015.24 and 48,858 is: 67,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140.56 : 123,015.24 = 48,858 : x
  2. Step 2: Convert to fraction form
    89,140.56/123,015.24 = 48,858/x
  3. Step 3: Cross multiply
    89,140.56x = 123,015.24 × 48,858
  4. Step 4: Simplify right side
    89,140.56x = 6,010,278,595.92
  5. Step 5: Solve for x
    x = 6,010,278,595.92/89,140.56
  6. Step 6: Final answer
    x = 67,424.73

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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.