Home / 80,883.51-121,325.25-24,723.78

Finding the Fourth Proportional to 80,883.51, 121,325.25 and 24,723.78

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Solution

The fourth proportional to 80,883.51, 121,325.25 and 24,723.78 is: 37,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,883.51 : 121,325.25 = 24,723.78 : x
  2. Step 2: Convert to fraction form
    80,883.51/121,325.25 = 24,723.78/x
  3. Step 3: Cross multiply
    80,883.51x = 121,325.25 × 24,723.78
  4. Step 4: Simplify right side
    80,883.51x = 2,999,618,789.45
  5. Step 5: Solve for x
    x = 2,999,618,789.45/80,883.51
  6. Step 6: Final answer
    x = 37,085.67

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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.