Home / 84,766.22-127,147.16-40,424.30

Finding the Fourth Proportional to 84,766.22, 127,147.16 and 40,424.30

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Solution

The fourth proportional to 84,766.22, 127,147.16 and 40,424.30 is: 60,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,766.22 : 127,147.16 = 40,424.30 : x
  2. Step 2: Convert to fraction form
    84,766.22/127,147.16 = 40,424.30/x
  3. Step 3: Cross multiply
    84,766.22x = 127,147.16 × 40,424.30
  4. Step 4: Simplify right side
    84,766.22x = 5,139,834,939.99
  5. Step 5: Solve for x
    x = 5,139,834,939.99/84,766.22
  6. Step 6: Final answer
    x = 60,635.42

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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.