Home / 83,114.08-114,692.88-51,285.28

Finding the Fourth Proportional to 83,114.08, 114,692.88 and 51,285.28

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Solution

The fourth proportional to 83,114.08, 114,692.88 and 51,285.28 is: 70,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,114.08 : 114,692.88 = 51,285.28 : x
  2. Step 2: Convert to fraction form
    83,114.08/114,692.88 = 51,285.28/x
  3. Step 3: Cross multiply
    83,114.08x = 114,692.88 × 51,285.28
  4. Step 4: Simplify right side
    83,114.08x = 5,882,056,464.81
  5. Step 5: Solve for x
    x = 5,882,056,464.81/83,114.08
  6. Step 6: Final answer
    x = 70,770.88

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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.