Home / 89,816.45-123,947.57-49,531.64

Finding the Fourth Proportional to 89,816.45, 123,947.57 and 49,531.64

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Solution

The fourth proportional to 89,816.45, 123,947.57 and 49,531.64 is: 68,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.45 : 123,947.57 = 49,531.64 : x
  2. Step 2: Convert to fraction form
    89,816.45/123,947.57 = 49,531.64/x
  3. Step 3: Cross multiply
    89,816.45x = 123,947.57 × 49,531.64
  4. Step 4: Simplify right side
    89,816.45x = 6,139,326,168.46
  5. Step 5: Solve for x
    x = 6,139,326,168.46/89,816.45
  6. Step 6: Final answer
    x = 68,354.14

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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.