Home / 80,461.35-111,014.55-48,182.85

Finding the Fourth Proportional to 80,461.35, 111,014.55 and 48,182.85

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Solution

The fourth proportional to 80,461.35, 111,014.55 and 48,182.85 is: 66,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,461.35 : 111,014.55 = 48,182.85 : x
  2. Step 2: Convert to fraction form
    80,461.35/111,014.55 = 48,182.85/x
  3. Step 3: Cross multiply
    80,461.35x = 111,014.55 × 48,182.85
  4. Step 4: Simplify right side
    80,461.35x = 5,348,997,410.47
  5. Step 5: Solve for x
    x = 5,348,997,410.47/80,461.35
  6. Step 6: Final answer
    x = 66,479.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.