Home / 68,457.82-94,470.75-38,243.58

Finding the Fourth Proportional to 68,457.82, 94,470.75 and 38,243.58

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Solution

The fourth proportional to 68,457.82, 94,470.75 and 38,243.58 is: 52,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,457.82 : 94,470.75 = 38,243.58 : x
  2. Step 2: Convert to fraction form
    68,457.82/94,470.75 = 38,243.58/x
  3. Step 3: Cross multiply
    68,457.82x = 94,470.75 × 38,243.58
  4. Step 4: Simplify right side
    68,457.82x = 3,612,899,212.93
  5. Step 5: Solve for x
    x = 3,612,899,212.93/68,457.82
  6. Step 6: Final answer
    x = 52,775.55

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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.