Home / 68,386.38-94,388.95-40,101.18

Finding the Fourth Proportional to 68,386.38, 94,388.95 and 40,101.18

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Solution

The fourth proportional to 68,386.38, 94,388.95 and 40,101.18 is: 55,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.38 : 94,388.95 = 40,101.18 : x
  2. Step 2: Convert to fraction form
    68,386.38/94,388.95 = 40,101.18/x
  3. Step 3: Cross multiply
    68,386.38x = 94,388.95 × 40,101.18
  4. Step 4: Simplify right side
    68,386.38x = 3,785,107,744.56
  5. Step 5: Solve for x
    x = 3,785,107,744.56/68,386.38
  6. Step 6: Final answer
    x = 55,348.86

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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.