Home / 83,633.79-125,453.52-30,298.93

Finding the Fourth Proportional to 83,633.79, 125,453.52 and 30,298.93

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Solution

The fourth proportional to 83,633.79, 125,453.52 and 30,298.93 is: 45,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,633.79 : 125,453.52 = 30,298.93 : x
  2. Step 2: Convert to fraction form
    83,633.79/125,453.52 = 30,298.93/x
  3. Step 3: Cross multiply
    83,633.79x = 125,453.52 × 30,298.93
  4. Step 4: Simplify right side
    83,633.79x = 3,801,107,420.73
  5. Step 5: Solve for x
    x = 3,801,107,420.73/83,633.79
  6. Step 6: Final answer
    x = 45,449.42

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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.