Home / 88,182.54-121,692.78-47,896.65

Finding the Fourth Proportional to 88,182.54, 121,692.78 and 47,896.65

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Solution

The fourth proportional to 88,182.54, 121,692.78 and 47,896.65 is: 66,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,182.54 : 121,692.78 = 47,896.65 : x
  2. Step 2: Convert to fraction form
    88,182.54/121,692.78 = 47,896.65/x
  3. Step 3: Cross multiply
    88,182.54x = 121,692.78 × 47,896.65
  4. Step 4: Simplify right side
    88,182.54x = 5,828,676,491.19
  5. Step 5: Solve for x
    x = 5,828,676,491.19/88,182.54
  6. Step 6: Final answer
    x = 66,097.85

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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.