Home / 89,055.44-122,910-50,814.80

Finding the Fourth Proportional to 89,055.44, 122,910 and 50,814.80

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Solution

The fourth proportional to 89,055.44, 122,910 and 50,814.80 is: 70,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,055.44 : 122,910 = 50,814.80 : x
  2. Step 2: Convert to fraction form
    89,055.44/122,910 = 50,814.80/x
  3. Step 3: Cross multiply
    89,055.44x = 122,910 × 50,814.80
  4. Step 4: Simplify right side
    89,055.44x = 6,245,647,068
  5. Step 5: Solve for x
    x = 6,245,647,068/89,055.44
  6. Step 6: Final answer
    x = 70,132.12

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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.