Home / 86,236.30-129,370.11-35,635.44

Finding the Fourth Proportional to 86,236.30, 129,370.11 and 35,635.44

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Solution

The fourth proportional to 86,236.30, 129,370.11 and 35,635.44 is: 53,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,236.30 : 129,370.11 = 35,635.44 : x
  2. Step 2: Convert to fraction form
    86,236.30/129,370.11 = 35,635.44/x
  3. Step 3: Cross multiply
    86,236.30x = 129,370.11 × 35,635.44
  4. Step 4: Simplify right side
    86,236.30x = 4,610,161,344.65
  5. Step 5: Solve for x
    x = 4,610,161,344.65/86,236.30
  6. Step 6: Final answer
    x = 53,459.64

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1.5x scale

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.