Home / 113,991.13-170,986.69-30,885.13

Finding the Fourth Proportional to 113,991.13, 170,986.69 and 30,885.13

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Solution

The fourth proportional to 113,991.13, 170,986.69 and 30,885.13 is: 46,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,991.13 : 170,986.69 = 30,885.13 : x
  2. Step 2: Convert to fraction form
    113,991.13/170,986.69 = 30,885.13/x
  3. Step 3: Cross multiply
    113,991.13x = 170,986.69 × 30,885.13
  4. Step 4: Simplify right side
    113,991.13x = 5,280,945,293.99
  5. Step 5: Solve for x
    x = 5,280,945,293.99/113,991.13
  6. Step 6: Final answer
    x = 46,327.69

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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.