Home / 67,125.15-92,640.14-40,274.27

Finding the Fourth Proportional to 67,125.15, 92,640.14 and 40,274.27

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Solution

The fourth proportional to 67,125.15, 92,640.14 and 40,274.27 is: 55,582.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.15 : 92,640.14 = 40,274.27 : x
  2. Step 2: Convert to fraction form
    67,125.15/92,640.14 = 40,274.27/x
  3. Step 3: Cross multiply
    67,125.15x = 92,640.14 × 40,274.27
  4. Step 4: Simplify right side
    67,125.15x = 3,731,013,346.63
  5. Step 5: Solve for x
    x = 3,731,013,346.63/67,125.15
  6. Step 6: Final answer
    x = 55,582.94

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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.