Home / 71,431.11-98,577.32-39,598.11

Finding the Fourth Proportional to 71,431.11, 98,577.32 and 39,598.11

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Solution

The fourth proportional to 71,431.11, 98,577.32 and 39,598.11 is: 54,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,431.11 : 98,577.32 = 39,598.11 : x
  2. Step 2: Convert to fraction form
    71,431.11/98,577.32 = 39,598.11/x
  3. Step 3: Cross multiply
    71,431.11x = 98,577.32 × 39,598.11
  4. Step 4: Simplify right side
    71,431.11x = 3,903,475,166.97
  5. Step 5: Solve for x
    x = 3,903,475,166.97/71,431.11
  6. Step 6: Final answer
    x = 54,646.71

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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.