Home / 65,747.77-98,592.49-40,786.81

Finding the Fourth Proportional to 65,747.77, 98,592.49 and 40,786.81

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Solution

The fourth proportional to 65,747.77, 98,592.49 and 40,786.81 is: 61,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,747.77 : 98,592.49 = 40,786.81 : x
  2. Step 2: Convert to fraction form
    65,747.77/98,592.49 = 40,786.81/x
  3. Step 3: Cross multiply
    65,747.77x = 98,592.49 × 40,786.81
  4. Step 4: Simplify right side
    65,747.77x = 4,021,272,961.56
  5. Step 5: Solve for x
    x = 4,021,272,961.56/65,747.77
  6. Step 6: Final answer
    x = 61,162.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.