Home / 86,825.85-130,241.43-29,899.14

Finding the Fourth Proportional to 86,825.85, 130,241.43 and 29,899.14

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Solution

The fourth proportional to 86,825.85, 130,241.43 and 29,899.14 is: 44,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,825.85 : 130,241.43 = 29,899.14 : x
  2. Step 2: Convert to fraction form
    86,825.85/130,241.43 = 29,899.14/x
  3. Step 3: Cross multiply
    86,825.85x = 130,241.43 × 29,899.14
  4. Step 4: Simplify right side
    86,825.85x = 3,894,106,749.37
  5. Step 5: Solve for x
    x = 3,894,106,749.37/86,825.85
  6. Step 6: Final answer
    x = 44,849.62

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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.