Home / 88,382.38-121,928.10-59,692.84

Finding the Fourth Proportional to 88,382.38, 121,928.10 and 59,692.84

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Solution

The fourth proportional to 88,382.38, 121,928.10 and 59,692.84 is: 82,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,382.38 : 121,928.10 = 59,692.84 : x
  2. Step 2: Convert to fraction form
    88,382.38/121,928.10 = 59,692.84/x
  3. Step 3: Cross multiply
    88,382.38x = 121,928.10 × 59,692.84
  4. Step 4: Simplify right side
    88,382.38x = 7,278,234,564.80
  5. Step 5: Solve for x
    x = 7,278,234,564.80/88,382.38
  6. Step 6: Final answer
    x = 82,349.38

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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.