Home / 67,192.95-92,730.09-38,517.38

Finding the Fourth Proportional to 67,192.95, 92,730.09 and 38,517.38

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Solution

The fourth proportional to 67,192.95, 92,730.09 and 38,517.38 is: 53,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,192.95 : 92,730.09 = 38,517.38 : x
  2. Step 2: Convert to fraction form
    67,192.95/92,730.09 = 38,517.38/x
  3. Step 3: Cross multiply
    67,192.95x = 92,730.09 × 38,517.38
  4. Step 4: Simplify right side
    67,192.95x = 3,571,720,113.96
  5. Step 5: Solve for x
    x = 3,571,720,113.96/67,192.95
  6. Step 6: Final answer
    x = 53,156.17

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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.