Home / 74,033.55-102,166-40,042.08

Finding the Fourth Proportional to 74,033.55, 102,166 and 40,042.08

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Solution

The fourth proportional to 74,033.55, 102,166 and 40,042.08 is: 55,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,033.55 : 102,166 = 40,042.08 : x
  2. Step 2: Convert to fraction form
    74,033.55/102,166 = 40,042.08/x
  3. Step 3: Cross multiply
    74,033.55x = 102,166 × 40,042.08
  4. Step 4: Simplify right side
    74,033.55x = 4,090,939,145.28
  5. Step 5: Solve for x
    x = 4,090,939,145.28/74,033.55
  6. Step 6: Final answer
    x = 55,257.91

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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.