Home / 85,001.82-117,306.45-49,184.88

Finding the Fourth Proportional to 85,001.82, 117,306.45 and 49,184.88

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Solution

The fourth proportional to 85,001.82, 117,306.45 and 49,184.88 is: 67,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,001.82 : 117,306.45 = 49,184.88 : x
  2. Step 2: Convert to fraction form
    85,001.82/117,306.45 = 49,184.88/x
  3. Step 3: Cross multiply
    85,001.82x = 117,306.45 × 49,184.88
  4. Step 4: Simplify right side
    85,001.82x = 5,769,703,666.48
  5. Step 5: Solve for x
    x = 5,769,703,666.48/85,001.82
  6. Step 6: Final answer
    x = 67,877.41

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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.