Home / 71,163.36-98,204.40-42,884.64

Finding the Fourth Proportional to 71,163.36, 98,204.40 and 42,884.64

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Solution

The fourth proportional to 71,163.36, 98,204.40 and 42,884.64 is: 59,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,163.36 : 98,204.40 = 42,884.64 : x
  2. Step 2: Convert to fraction form
    71,163.36/98,204.40 = 42,884.64/x
  3. Step 3: Cross multiply
    71,163.36x = 98,204.40 × 42,884.64
  4. Step 4: Simplify right side
    71,163.36x = 4,211,460,340.42
  5. Step 5: Solve for x
    x = 4,211,460,340.42/71,163.36
  6. Step 6: Final answer
    x = 59,180.18

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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.