Home / 86,761.25-119,732.12-52,771.16

Finding the Fourth Proportional to 86,761.25, 119,732.12 and 52,771.16

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Solution

The fourth proportional to 86,761.25, 119,732.12 and 52,771.16 is: 72,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,761.25 : 119,732.12 = 52,771.16 : x
  2. Step 2: Convert to fraction form
    86,761.25/119,732.12 = 52,771.16/x
  3. Step 3: Cross multiply
    86,761.25x = 119,732.12 × 52,771.16
  4. Step 4: Simplify right side
    86,761.25x = 6,318,401,999.14
  5. Step 5: Solve for x
    x = 6,318,401,999.14/86,761.25
  6. Step 6: Final answer
    x = 72,825.17

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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.