Home / 89,804.79-123,938.92-51,569.35

Finding the Fourth Proportional to 89,804.79, 123,938.92 and 51,569.35

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Solution

The fourth proportional to 89,804.79, 123,938.92 and 51,569.35 is: 71,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,804.79 : 123,938.92 = 51,569.35 : x
  2. Step 2: Convert to fraction form
    89,804.79/123,938.92 = 51,569.35/x
  3. Step 3: Cross multiply
    89,804.79x = 123,938.92 × 51,569.35
  4. Step 4: Simplify right side
    89,804.79x = 6,391,449,544.10
  5. Step 5: Solve for x
    x = 6,391,449,544.10/89,804.79
  6. Step 6: Final answer
    x = 71,170.47

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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.