Home / 66,142.73-99,110.42-56,241.29

Finding the Fourth Proportional to 66,142.73, 99,110.42 and 56,241.29

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Solution

The fourth proportional to 66,142.73, 99,110.42 and 56,241.29 is: 84,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.73 : 99,110.42 = 56,241.29 : x
  2. Step 2: Convert to fraction form
    66,142.73/99,110.42 = 56,241.29/x
  3. Step 3: Cross multiply
    66,142.73x = 99,110.42 × 56,241.29
  4. Step 4: Simplify right side
    66,142.73x = 5,574,097,592.04
  5. Step 5: Solve for x
    x = 5,574,097,592.04/66,142.73
  6. Step 6: Final answer
    x = 84,273.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.