Home / 89,763.65-123,873.22-49,477.45

Finding the Fourth Proportional to 89,763.65, 123,873.22 and 49,477.45

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Solution

The fourth proportional to 89,763.65, 123,873.22 and 49,477.45 is: 68,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,763.65 : 123,873.22 = 49,477.45 : x
  2. Step 2: Convert to fraction form
    89,763.65/123,873.22 = 49,477.45/x
  3. Step 3: Cross multiply
    89,763.65x = 123,873.22 × 49,477.45
  4. Step 4: Simplify right side
    89,763.65x = 6,128,930,182.14
  5. Step 5: Solve for x
    x = 6,128,930,182.14/89,763.65
  6. Step 6: Final answer
    x = 68,278.53

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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.