Home / 67,142.28-92,656.98-36,927.78

Finding the Fourth Proportional to 67,142.28, 92,656.98 and 36,927.78

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Solution

The fourth proportional to 67,142.28, 92,656.98 and 36,927.78 is: 50,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.28 : 92,656.98 = 36,927.78 : x
  2. Step 2: Convert to fraction form
    67,142.28/92,656.98 = 36,927.78/x
  3. Step 3: Cross multiply
    67,142.28x = 92,656.98 × 36,927.78
  4. Step 4: Simplify right side
    67,142.28x = 3,421,616,572.90
  5. Step 5: Solve for x
    x = 3,421,616,572.90/67,142.28
  6. Step 6: Final answer
    x = 50,960.68

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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.