Home / 89,173.45-123,061.71-50,408.20

Finding the Fourth Proportional to 89,173.45, 123,061.71 and 50,408.20

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Solution

The fourth proportional to 89,173.45, 123,061.71 and 50,408.20 is: 69,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173.45 : 123,061.71 = 50,408.20 : x
  2. Step 2: Convert to fraction form
    89,173.45/123,061.71 = 50,408.20/x
  3. Step 3: Cross multiply
    89,173.45x = 123,061.71 × 50,408.20
  4. Step 4: Simplify right side
    89,173.45x = 6,203,319,290.02
  5. Step 5: Solve for x
    x = 6,203,319,290.02/89,173.45
  6. Step 6: Final answer
    x = 69,564.64

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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.