Home / 68,625.08-102,937.66-45,081.42

Finding the Fourth Proportional to 68,625.08, 102,937.66 and 45,081.42

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Solution

The fourth proportional to 68,625.08, 102,937.66 and 45,081.42 is: 67,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,625.08 : 102,937.66 = 45,081.42 : x
  2. Step 2: Convert to fraction form
    68,625.08/102,937.66 = 45,081.42/x
  3. Step 3: Cross multiply
    68,625.08x = 102,937.66 × 45,081.42
  4. Step 4: Simplify right side
    68,625.08x = 4,640,575,884.28
  5. Step 5: Solve for x
    x = 4,640,575,884.28/68,625.08
  6. Step 6: Final answer
    x = 67,622.16

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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.