Home / 75,911.77-113,869.01-23,321.71

Finding the Fourth Proportional to 75,911.77, 113,869.01 and 23,321.71

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Solution

The fourth proportional to 75,911.77, 113,869.01 and 23,321.71 is: 34,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.77 : 113,869.01 = 23,321.71 : x
  2. Step 2: Convert to fraction form
    75,911.77/113,869.01 = 23,321.71/x
  3. Step 3: Cross multiply
    75,911.77x = 113,869.01 × 23,321.71
  4. Step 4: Simplify right side
    75,911.77x = 2,655,620,029.21
  5. Step 5: Solve for x
    x = 2,655,620,029.21/75,911.77
  6. Step 6: Final answer
    x = 34,982.98

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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.