Home / 74,733.56-111,604.95-65,679.38

Finding the Fourth Proportional to 74,733.56, 111,604.95 and 65,679.38

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Solution

The fourth proportional to 74,733.56, 111,604.95 and 65,679.38 is: 98,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733.56 : 111,604.95 = 65,679.38 : x
  2. Step 2: Convert to fraction form
    74,733.56/111,604.95 = 65,679.38/x
  3. Step 3: Cross multiply
    74,733.56x = 111,604.95 × 65,679.38
  4. Step 4: Simplify right side
    74,733.56x = 7,330,143,362.91
  5. Step 5: Solve for x
    x = 7,330,143,362.91/74,733.56
  6. Step 6: Final answer
    x = 98,083.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.