Home / 89,706.08-123,789.84-49,419.04

Finding the Fourth Proportional to 89,706.08, 123,789.84 and 49,419.04

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Solution

The fourth proportional to 89,706.08, 123,789.84 and 49,419.04 is: 68,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,706.08 : 123,789.84 = 49,419.04 : x
  2. Step 2: Convert to fraction form
    89,706.08/123,789.84 = 49,419.04/x
  3. Step 3: Cross multiply
    89,706.08x = 123,789.84 × 49,419.04
  4. Step 4: Simplify right side
    89,706.08x = 6,117,575,054.55
  5. Step 5: Solve for x
    x = 6,117,575,054.55/89,706.08
  6. Step 6: Final answer
    x = 68,195.77

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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.