Home / 71,884.78-99,201.40-41,688.04

Finding the Fourth Proportional to 71,884.78, 99,201.40 and 41,688.04

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Solution

The fourth proportional to 71,884.78, 99,201.40 and 41,688.04 is: 57,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,884.78 : 99,201.40 = 41,688.04 : x
  2. Step 2: Convert to fraction form
    71,884.78/99,201.40 = 41,688.04/x
  3. Step 3: Cross multiply
    71,884.78x = 99,201.40 × 41,688.04
  4. Step 4: Simplify right side
    71,884.78x = 4,135,511,931.26
  5. Step 5: Solve for x
    x = 4,135,511,931.26/71,884.78
  6. Step 6: Final answer
    x = 57,529.73

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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.