Home / 68,201.34-94,118.13-39,901.56

Finding the Fourth Proportional to 68,201.34, 94,118.13 and 39,901.56

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Solution

The fourth proportional to 68,201.34, 94,118.13 and 39,901.56 is: 55,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,201.34 : 94,118.13 = 39,901.56 : x
  2. Step 2: Convert to fraction form
    68,201.34/94,118.13 = 39,901.56/x
  3. Step 3: Cross multiply
    68,201.34x = 94,118.13 × 39,901.56
  4. Step 4: Simplify right side
    68,201.34x = 3,755,460,211.28
  5. Step 5: Solve for x
    x = 3,755,460,211.28/68,201.34
  6. Step 6: Final answer
    x = 55,064.32

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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.