Home / 68,342.10-94,172.13-50,408.70

Finding the Fourth Proportional to 68,342.10, 94,172.13 and 50,408.70

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Solution

The fourth proportional to 68,342.10, 94,172.13 and 50,408.70 is: 69,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,342.10 : 94,172.13 = 50,408.70 : x
  2. Step 2: Convert to fraction form
    68,342.10/94,172.13 = 50,408.70/x
  3. Step 3: Cross multiply
    68,342.10x = 94,172.13 × 50,408.70
  4. Step 4: Simplify right side
    68,342.10x = 4,747,094,649.53
  5. Step 5: Solve for x
    x = 4,747,094,649.53/68,342.10
  6. Step 6: Final answer
    x = 69,460.77

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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.