Home / 75,986.24-113,992.48-33,881.28

Finding the Fourth Proportional to 75,986.24, 113,992.48 and 33,881.28

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Solution

The fourth proportional to 75,986.24, 113,992.48 and 33,881.28 is: 50,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,986.24 : 113,992.48 = 33,881.28 : x
  2. Step 2: Convert to fraction form
    75,986.24/113,992.48 = 33,881.28/x
  3. Step 3: Cross multiply
    75,986.24x = 113,992.48 × 33,881.28
  4. Step 4: Simplify right side
    75,986.24x = 3,862,211,132.77
  5. Step 5: Solve for x
    x = 3,862,211,132.77/75,986.24
  6. Step 6: Final answer
    x = 50,827.77

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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.