Home / 67,311.39-92,885.49-40,438.02

Finding the Fourth Proportional to 67,311.39, 92,885.49 and 40,438.02

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Solution

The fourth proportional to 67,311.39, 92,885.49 and 40,438.02 is: 55,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,311.39 : 92,885.49 = 40,438.02 : x
  2. Step 2: Convert to fraction form
    67,311.39/92,885.49 = 40,438.02/x
  3. Step 3: Cross multiply
    67,311.39x = 92,885.49 × 40,438.02
  4. Step 4: Simplify right side
    67,311.39x = 3,756,105,302.33
  5. Step 5: Solve for x
    x = 3,756,105,302.33/67,311.39
  6. Step 6: Final answer
    x = 55,801.93

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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.