Home / 82,834.22-124,253.36-30,243.76

Finding the Fourth Proportional to 82,834.22, 124,253.36 and 30,243.76

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Solution

The fourth proportional to 82,834.22, 124,253.36 and 30,243.76 is: 45,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,834.22 : 124,253.36 = 30,243.76 : x
  2. Step 2: Convert to fraction form
    82,834.22/124,253.36 = 30,243.76/x
  3. Step 3: Cross multiply
    82,834.22x = 124,253.36 × 30,243.76
  4. Step 4: Simplify right side
    82,834.22x = 3,757,888,799.03
  5. Step 5: Solve for x
    x = 3,757,888,799.03/82,834.22
  6. Step 6: Final answer
    x = 45,366.38

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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.