Home / 68,370.13-94,355.51-38,161.33

Finding the Fourth Proportional to 68,370.13, 94,355.51 and 38,161.33

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Solution

The fourth proportional to 68,370.13, 94,355.51 and 38,161.33 is: 52,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.13 : 94,355.51 = 38,161.33 : x
  2. Step 2: Convert to fraction form
    68,370.13/94,355.51 = 38,161.33/x
  3. Step 3: Cross multiply
    68,370.13x = 94,355.51 × 38,161.33
  4. Step 4: Simplify right side
    68,370.13x = 3,600,731,091.84
  5. Step 5: Solve for x
    x = 3,600,731,091.84/68,370.13
  6. Step 6: Final answer
    x = 52,665.27

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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.