Home / 74,331.52-102,576.80-40,796.80

Finding the Fourth Proportional to 74,331.52, 102,576.80 and 40,796.80

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Solution

The fourth proportional to 74,331.52, 102,576.80 and 40,796.80 is: 56,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.52 : 102,576.80 = 40,796.80 : x
  2. Step 2: Convert to fraction form
    74,331.52/102,576.80 = 40,796.80/x
  3. Step 3: Cross multiply
    74,331.52x = 102,576.80 × 40,796.80
  4. Step 4: Simplify right side
    74,331.52x = 4,184,805,194.24
  5. Step 5: Solve for x
    x = 4,184,805,194.24/74,331.52
  6. Step 6: Final answer
    x = 56,299.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.