Home / 86,202.45-129,298.43-41,255.76

Finding the Fourth Proportional to 86,202.45, 129,298.43 and 41,255.76

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Solution

The fourth proportional to 86,202.45, 129,298.43 and 41,255.76 is: 61,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,202.45 : 129,298.43 = 41,255.76 : x
  2. Step 2: Convert to fraction form
    86,202.45/129,298.43 = 41,255.76/x
  3. Step 3: Cross multiply
    86,202.45x = 129,298.43 × 41,255.76
  4. Step 4: Simplify right side
    86,202.45x = 5,334,304,790.18
  5. Step 5: Solve for x
    x = 5,334,304,790.18/86,202.45
  6. Step 6: Final answer
    x = 61,881.13

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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.