Home / 64,208.66-88,692.61-49,285.72

Finding the Fourth Proportional to 64,208.66, 88,692.61 and 49,285.72

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Solution

The fourth proportional to 64,208.66, 88,692.61 and 49,285.72 is: 68,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.66 : 88,692.61 = 49,285.72 : x
  2. Step 2: Convert to fraction form
    64,208.66/88,692.61 = 49,285.72/x
  3. Step 3: Cross multiply
    64,208.66x = 88,692.61 × 49,285.72
  4. Step 4: Simplify right side
    64,208.66x = 4,371,278,797.58
  5. Step 5: Solve for x
    x = 4,371,278,797.58/64,208.66
  6. Step 6: Final answer
    x = 68,079.28

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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.