Home / 89,555.65-123,617.14-55,584.02

Finding the Fourth Proportional to 89,555.65, 123,617.14 and 55,584.02

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Solution

The fourth proportional to 89,555.65, 123,617.14 and 55,584.02 is: 76,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.65 : 123,617.14 = 55,584.02 : x
  2. Step 2: Convert to fraction form
    89,555.65/123,617.14 = 55,584.02/x
  3. Step 3: Cross multiply
    89,555.65x = 123,617.14 × 55,584.02
  4. Step 4: Simplify right side
    89,555.65x = 6,871,137,582.10
  5. Step 5: Solve for x
    x = 6,871,137,582.10/89,555.65
  6. Step 6: Final answer
    x = 76,724.78

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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.