Home / 85,269.10-127,903.57-29,104.55

Finding the Fourth Proportional to 85,269.10, 127,903.57 and 29,104.55

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Solution

The fourth proportional to 85,269.10, 127,903.57 and 29,104.55 is: 43,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.10 : 127,903.57 = 29,104.55 : x
  2. Step 2: Convert to fraction form
    85,269.10/127,903.57 = 29,104.55/x
  3. Step 3: Cross multiply
    85,269.10x = 127,903.57 × 29,104.55
  4. Step 4: Simplify right side
    85,269.10x = 3,722,576,204.38
  5. Step 5: Solve for x
    x = 3,722,576,204.38/85,269.10
  6. Step 6: Final answer
    x = 43,656.80

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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.