Home / 64,211.09-88,695.97-49,288.16

Finding the Fourth Proportional to 64,211.09, 88,695.97 and 49,288.16

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Solution

The fourth proportional to 64,211.09, 88,695.97 and 49,288.16 is: 68,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,211.09 : 88,695.97 = 49,288.16 : x
  2. Step 2: Convert to fraction form
    64,211.09/88,695.97 = 49,288.16/x
  3. Step 3: Cross multiply
    64,211.09x = 88,695.97 × 49,288.16
  4. Step 4: Simplify right side
    64,211.09x = 4,371,661,160.72
  5. Step 5: Solve for x
    x = 4,371,661,160.72/64,211.09
  6. Step 6: Final answer
    x = 68,082.65

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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.