Home / 86,625.20-129,914.84-34,035.14

Finding the Fourth Proportional to 86,625.20, 129,914.84 and 34,035.14

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Solution

The fourth proportional to 86,625.20, 129,914.84 and 34,035.14 is: 51,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,625.20 : 129,914.84 = 34,035.14 : x
  2. Step 2: Convert to fraction form
    86,625.20/129,914.84 = 34,035.14/x
  3. Step 3: Cross multiply
    86,625.20x = 129,914.84 × 34,035.14
  4. Step 4: Simplify right side
    86,625.20x = 4,421,669,202.99
  5. Step 5: Solve for x
    x = 4,421,669,202.99/86,625.20
  6. Step 6: Final answer
    x = 51,043.69

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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.