Home / 80,856.34-121,307.91-33,462.68

Finding the Fourth Proportional to 80,856.34, 121,307.91 and 33,462.68

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Solution

The fourth proportional to 80,856.34, 121,307.91 and 33,462.68 is: 50,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.34 : 121,307.91 = 33,462.68 : x
  2. Step 2: Convert to fraction form
    80,856.34/121,307.91 = 33,462.68/x
  3. Step 3: Cross multiply
    80,856.34x = 121,307.91 × 33,462.68
  4. Step 4: Simplify right side
    80,856.34x = 4,059,287,773.80
  5. Step 5: Solve for x
    x = 4,059,287,773.80/80,856.34
  6. Step 6: Final answer
    x = 50,203.70

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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.