Home / 68,146.21-94,041.77-37,930.88

Finding the Fourth Proportional to 68,146.21, 94,041.77 and 37,930.88

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Solution

The fourth proportional to 68,146.21, 94,041.77 and 37,930.88 is: 52,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,146.21 : 94,041.77 = 37,930.88 : x
  2. Step 2: Convert to fraction form
    68,146.21/94,041.77 = 37,930.88/x
  3. Step 3: Cross multiply
    68,146.21x = 94,041.77 × 37,930.88
  4. Step 4: Simplify right side
    68,146.21x = 3,567,087,138.31
  5. Step 5: Solve for x
    x = 3,567,087,138.31/68,146.21
  6. Step 6: Final answer
    x = 52,344.61

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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.