Home / 74,723.70-103,118.84-40,732.46

Finding the Fourth Proportional to 74,723.70, 103,118.84 and 40,732.46

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Solution

The fourth proportional to 74,723.70, 103,118.84 and 40,732.46 is: 56,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,723.70 : 103,118.84 = 40,732.46 : x
  2. Step 2: Convert to fraction form
    74,723.70/103,118.84 = 40,732.46/x
  3. Step 3: Cross multiply
    74,723.70x = 103,118.84 × 40,732.46
  4. Step 4: Simplify right side
    74,723.70x = 4,200,284,025.55
  5. Step 5: Solve for x
    x = 4,200,284,025.55/74,723.70
  6. Step 6: Final answer
    x = 56,210.87

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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.