Home / 89,290.92-123,223.01-49,008.44

Finding the Fourth Proportional to 89,290.92, 123,223.01 and 49,008.44

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Solution

The fourth proportional to 89,290.92, 123,223.01 and 49,008.44 is: 67,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,290.92 : 123,223.01 = 49,008.44 : x
  2. Step 2: Convert to fraction form
    89,290.92/123,223.01 = 49,008.44/x
  3. Step 3: Cross multiply
    89,290.92x = 123,223.01 × 49,008.44
  4. Step 4: Simplify right side
    89,290.92x = 6,038,967,555.22
  5. Step 5: Solve for x
    x = 6,038,967,555.22/89,290.92
  6. Step 6: Final answer
    x = 67,632.49

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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.