Home / 80,714.04-111,388.96-67,262.76

Finding the Fourth Proportional to 80,714.04, 111,388.96 and 67,262.76

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Solution

The fourth proportional to 80,714.04, 111,388.96 and 67,262.76 is: 92,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,714.04 : 111,388.96 = 67,262.76 : x
  2. Step 2: Convert to fraction form
    80,714.04/111,388.96 = 67,262.76/x
  3. Step 3: Cross multiply
    80,714.04x = 111,388.96 × 67,262.76
  4. Step 4: Simplify right side
    80,714.04x = 7,492,328,883.13
  5. Step 5: Solve for x
    x = 7,492,328,883.13/80,714.04
  6. Step 6: Final answer
    x = 92,825.60

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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.