Home / 85,186.67-127,781.82-22,008.15

Finding the Fourth Proportional to 85,186.67, 127,781.82 and 22,008.15

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Solution

The fourth proportional to 85,186.67, 127,781.82 and 22,008.15 is: 33,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,186.67 : 127,781.82 = 22,008.15 : x
  2. Step 2: Convert to fraction form
    85,186.67/127,781.82 = 22,008.15/x
  3. Step 3: Cross multiply
    85,186.67x = 127,781.82 × 22,008.15
  4. Step 4: Simplify right side
    85,186.67x = 2,812,241,461.83
  5. Step 5: Solve for x
    x = 2,812,241,461.83/85,186.67
  6. Step 6: Final answer
    x = 33,012.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.