Home / 86,300.21-129,469.92-26,334.05

Finding the Fourth Proportional to 86,300.21, 129,469.92 and 26,334.05

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Solution

The fourth proportional to 86,300.21, 129,469.92 and 26,334.05 is: 39,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,300.21 : 129,469.92 = 26,334.05 : x
  2. Step 2: Convert to fraction form
    86,300.21/129,469.92 = 26,334.05/x
  3. Step 3: Cross multiply
    86,300.21x = 129,469.92 × 26,334.05
  4. Step 4: Simplify right side
    86,300.21x = 3,409,466,699.43
  5. Step 5: Solve for x
    x = 3,409,466,699.43/86,300.21
  6. Step 6: Final answer
    x = 39,507.05

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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.