Home / 80,141.58-120,211.02-32,746.23

Finding the Fourth Proportional to 80,141.58, 120,211.02 and 32,746.23

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Solution

The fourth proportional to 80,141.58, 120,211.02 and 32,746.23 is: 49,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,141.58 : 120,211.02 = 32,746.23 : x
  2. Step 2: Convert to fraction form
    80,141.58/120,211.02 = 32,746.23/x
  3. Step 3: Cross multiply
    80,141.58x = 120,211.02 × 32,746.23
  4. Step 4: Simplify right side
    80,141.58x = 3,936,457,709.45
  5. Step 5: Solve for x
    x = 3,936,457,709.45/80,141.58
  6. Step 6: Final answer
    x = 49,118.79

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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.