Home / 113,429.61-170,249.67-57,309.14

Finding the Fourth Proportional to 113,429.61, 170,249.67 and 57,309.14

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Solution

The fourth proportional to 113,429.61, 170,249.67 and 57,309.14 is: 86,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429.61 : 170,249.67 = 57,309.14 : x
  2. Step 2: Convert to fraction form
    113,429.61/170,249.67 = 57,309.14/x
  3. Step 3: Cross multiply
    113,429.61x = 170,249.67 × 57,309.14
  4. Step 4: Simplify right side
    113,429.61x = 9,756,861,321.74
  5. Step 5: Solve for x
    x = 9,756,861,321.74/113,429.61
  6. Step 6: Final answer
    x = 86,016.88

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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.