Home / 68,115.82-94,012.85-45,105.06

Finding the Fourth Proportional to 68,115.82, 94,012.85 and 45,105.06

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Solution

The fourth proportional to 68,115.82, 94,012.85 and 45,105.06 is: 62,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,115.82 : 94,012.85 = 45,105.06 : x
  2. Step 2: Convert to fraction form
    68,115.82/94,012.85 = 45,105.06/x
  3. Step 3: Cross multiply
    68,115.82x = 94,012.85 × 45,105.06
  4. Step 4: Simplify right side
    68,115.82x = 4,240,455,240.02
  5. Step 5: Solve for x
    x = 4,240,455,240.02/68,115.82
  6. Step 6: Final answer
    x = 62,253.60

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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.