Home / 83,634.79-125,455.02-30,299.93

Finding the Fourth Proportional to 83,634.79, 125,455.02 and 30,299.93

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Solution

The fourth proportional to 83,634.79, 125,455.02 and 30,299.93 is: 45,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.79 : 125,455.02 = 30,299.93 : x
  2. Step 2: Convert to fraction form
    83,634.79/125,455.02 = 30,299.93/x
  3. Step 3: Cross multiply
    83,634.79x = 125,455.02 × 30,299.93
  4. Step 4: Simplify right side
    83,634.79x = 3,801,278,324.15
  5. Step 5: Solve for x
    x = 3,801,278,324.15/83,634.79
  6. Step 6: Final answer
    x = 45,450.92

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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.