Home / 89,338.14-123,288.17-49,053.60

Finding the Fourth Proportional to 89,338.14, 123,288.17 and 49,053.60

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Solution

The fourth proportional to 89,338.14, 123,288.17 and 49,053.60 is: 67,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338.14 : 123,288.17 = 49,053.60 : x
  2. Step 2: Convert to fraction form
    89,338.14/123,288.17 = 49,053.60/x
  3. Step 3: Cross multiply
    89,338.14x = 123,288.17 × 49,053.60
  4. Step 4: Simplify right side
    89,338.14x = 6,047,728,330.64
  5. Step 5: Solve for x
    x = 6,047,728,330.64/89,338.14
  6. Step 6: Final answer
    x = 67,694.81

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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.