Home / 82,476.96-113,759.48-75,692.88

Finding the Fourth Proportional to 82,476.96, 113,759.48 and 75,692.88

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Solution

The fourth proportional to 82,476.96, 113,759.48 and 75,692.88 is: 104,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,476.96 : 113,759.48 = 75,692.88 : x
  2. Step 2: Convert to fraction form
    82,476.96/113,759.48 = 75,692.88/x
  3. Step 3: Cross multiply
    82,476.96x = 113,759.48 × 75,692.88
  4. Step 4: Simplify right side
    82,476.96x = 8,610,782,290.04
  5. Step 5: Solve for x
    x = 8,610,782,290.04/82,476.96
  6. Step 6: Final answer
    x = 104,402.28

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1.5x scale

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.