Home / 84,723.40-127,002.48-40,338.22

Finding the Fourth Proportional to 84,723.40, 127,002.48 and 40,338.22

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Solution

The fourth proportional to 84,723.40, 127,002.48 and 40,338.22 is: 60,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.40 : 127,002.48 = 40,338.22 : x
  2. Step 2: Convert to fraction form
    84,723.40/127,002.48 = 40,338.22/x
  3. Step 3: Cross multiply
    84,723.40x = 127,002.48 × 40,338.22
  4. Step 4: Simplify right side
    84,723.40x = 5,123,053,978.79
  5. Step 5: Solve for x
    x = 5,123,053,978.79/84,723.40
  6. Step 6: Final answer
    x = 60,467.99

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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.