Home / 80,713.04-111,387.58-67,261.76

Finding the Fourth Proportional to 80,713.04, 111,387.58 and 67,261.76

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Solution

The fourth proportional to 80,713.04, 111,387.58 and 67,261.76 is: 92,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,713.04 : 111,387.58 = 67,261.76 : x
  2. Step 2: Convert to fraction form
    80,713.04/111,387.58 = 67,261.76/x
  3. Step 3: Cross multiply
    80,713.04x = 111,387.58 × 67,261.76
  4. Step 4: Simplify right side
    80,713.04x = 7,492,124,672.94
  5. Step 5: Solve for x
    x = 7,492,124,672.94/80,713.04
  6. Step 6: Final answer
    x = 92,824.22

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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.