Home / 67,492.12-101,238.18-20,107.93

Finding the Fourth Proportional to 67,492.12, 101,238.18 and 20,107.93

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Solution

The fourth proportional to 67,492.12, 101,238.18 and 20,107.93 is: 30,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,492.12 : 101,238.18 = 20,107.93 : x
  2. Step 2: Convert to fraction form
    67,492.12/101,238.18 = 20,107.93/x
  3. Step 3: Cross multiply
    67,492.12x = 101,238.18 × 20,107.93
  4. Step 4: Simplify right side
    67,492.12x = 2,035,690,236.77
  5. Step 5: Solve for x
    x = 2,035,690,236.77/67,492.12
  6. Step 6: Final answer
    x = 30,161.90

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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.