Home / 89,422.44-123,400.48-49,136.19

Finding the Fourth Proportional to 89,422.44, 123,400.48 and 49,136.19

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Solution

The fourth proportional to 89,422.44, 123,400.48 and 49,136.19 is: 67,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,422.44 : 123,400.48 = 49,136.19 : x
  2. Step 2: Convert to fraction form
    89,422.44/123,400.48 = 49,136.19/x
  3. Step 3: Cross multiply
    89,422.44x = 123,400.48 × 49,136.19
  4. Step 4: Simplify right side
    89,422.44x = 6,063,429,431.37
  5. Step 5: Solve for x
    x = 6,063,429,431.37/89,422.44
  6. Step 6: Final answer
    x = 67,806.58

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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.