Home / 67,381.34-92,956.21-39,070.62

Finding the Fourth Proportional to 67,381.34, 92,956.21 and 39,070.62

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Solution

The fourth proportional to 67,381.34, 92,956.21 and 39,070.62 is: 53,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381.34 : 92,956.21 = 39,070.62 : x
  2. Step 2: Convert to fraction form
    67,381.34/92,956.21 = 39,070.62/x
  3. Step 3: Cross multiply
    67,381.34x = 92,956.21 × 39,070.62
  4. Step 4: Simplify right side
    67,381.34x = 3,631,856,659.87
  5. Step 5: Solve for x
    x = 3,631,856,659.87/67,381.34
  6. Step 6: Final answer
    x = 53,900.04

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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.