Home / 89,628.60-123,673.62-51,895.56

Finding the Fourth Proportional to 89,628.60, 123,673.62 and 51,895.56

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Solution

The fourth proportional to 89,628.60, 123,673.62 and 51,895.56 is: 71,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.60 : 123,673.62 = 51,895.56 : x
  2. Step 2: Convert to fraction form
    89,628.60/123,673.62 = 51,895.56/x
  3. Step 3: Cross multiply
    89,628.60x = 123,673.62 × 51,895.56
  4. Step 4: Simplify right side
    89,628.60x = 6,418,111,767.13
  5. Step 5: Solve for x
    x = 6,418,111,767.13/89,628.60
  6. Step 6: Final answer
    x = 71,607.85

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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.