Home / 68,212.49-102,318.01-26,659.13

Finding the Fourth Proportional to 68,212.49, 102,318.01 and 26,659.13

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Solution

The fourth proportional to 68,212.49, 102,318.01 and 26,659.13 is: 39,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,212.49 : 102,318.01 = 26,659.13 : x
  2. Step 2: Convert to fraction form
    68,212.49/102,318.01 = 26,659.13/x
  3. Step 3: Cross multiply
    68,212.49x = 102,318.01 × 26,659.13
  4. Step 4: Simplify right side
    68,212.49x = 2,727,708,551.69
  5. Step 5: Solve for x
    x = 2,727,708,551.69/68,212.49
  6. Step 6: Final answer
    x = 39,988.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.