Home / 68,943.41-95,141.95-38,728.74

Finding the Fourth Proportional to 68,943.41, 95,141.95 and 38,728.74

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Solution

The fourth proportional to 68,943.41, 95,141.95 and 38,728.74 is: 53,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,943.41 : 95,141.95 = 38,728.74 : x
  2. Step 2: Convert to fraction form
    68,943.41/95,141.95 = 38,728.74/x
  3. Step 3: Cross multiply
    68,943.41x = 95,141.95 × 38,728.74
  4. Step 4: Simplify right side
    68,943.41x = 3,684,728,104.60
  5. Step 5: Solve for x
    x = 3,684,728,104.60/68,943.41
  6. Step 6: Final answer
    x = 53,445.69

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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.