Home / 84,381.36-126,634.32-40,008.24

Finding the Fourth Proportional to 84,381.36, 126,634.32 and 40,008.24

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Solution

The fourth proportional to 84,381.36, 126,634.32 and 40,008.24 is: 60,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,381.36 : 126,634.32 = 40,008.24 : x
  2. Step 2: Convert to fraction form
    84,381.36/126,634.32 = 40,008.24/x
  3. Step 3: Cross multiply
    84,381.36x = 126,634.32 × 40,008.24
  4. Step 4: Simplify right side
    84,381.36x = 5,066,416,266.80
  5. Step 5: Solve for x
    x = 5,066,416,266.80/84,381.36
  6. Step 6: Final answer
    x = 60,041.89

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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.