Home / 84,408.78-126,576.23-40,048.18

Finding the Fourth Proportional to 84,408.78, 126,576.23 and 40,048.18

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Solution

The fourth proportional to 84,408.78, 126,576.23 and 40,048.18 is: 60,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,408.78 : 126,576.23 = 40,048.18 : x
  2. Step 2: Convert to fraction form
    84,408.78/126,576.23 = 40,048.18/x
  3. Step 3: Cross multiply
    84,408.78x = 126,576.23 × 40,048.18
  4. Step 4: Simplify right side
    84,408.78x = 5,069,147,642.76
  5. Step 5: Solve for x
    x = 5,069,147,642.76/84,408.78
  6. Step 6: Final answer
    x = 60,054.75

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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.