Home / 66,037.13-91,131.24-35,822.31

Finding the Fourth Proportional to 66,037.13, 91,131.24 and 35,822.31

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Solution

The fourth proportional to 66,037.13, 91,131.24 and 35,822.31 is: 49,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,037.13 : 91,131.24 = 35,822.31 : x
  2. Step 2: Convert to fraction form
    66,037.13/91,131.24 = 35,822.31/x
  3. Step 3: Cross multiply
    66,037.13x = 91,131.24 × 35,822.31
  4. Step 4: Simplify right side
    66,037.13x = 3,264,531,529.96
  5. Step 5: Solve for x
    x = 3,264,531,529.96/66,037.13
  6. Step 6: Final answer
    x = 49,434.79

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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.