Home / 68,812.13-94,971.39-38,609.66

Finding the Fourth Proportional to 68,812.13, 94,971.39 and 38,609.66

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Solution

The fourth proportional to 68,812.13, 94,971.39 and 38,609.66 is: 53,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,812.13 : 94,971.39 = 38,609.66 : x
  2. Step 2: Convert to fraction form
    68,812.13/94,971.39 = 38,609.66/x
  3. Step 3: Cross multiply
    68,812.13x = 94,971.39 × 38,609.66
  4. Step 4: Simplify right side
    68,812.13x = 3,666,813,170.27
  5. Step 5: Solve for x
    x = 3,666,813,170.27/68,812.13
  6. Step 6: Final answer
    x = 53,287.31

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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.