Home / 65,642.51-90,588.75-37,350.02

Finding the Fourth Proportional to 65,642.51, 90,588.75 and 37,350.02

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Solution

The fourth proportional to 65,642.51, 90,588.75 and 37,350.02 is: 51,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,642.51 : 90,588.75 = 37,350.02 : x
  2. Step 2: Convert to fraction form
    65,642.51/90,588.75 = 37,350.02/x
  3. Step 3: Cross multiply
    65,642.51x = 90,588.75 × 37,350.02
  4. Step 4: Simplify right side
    65,642.51x = 3,383,491,624.28
  5. Step 5: Solve for x
    x = 3,383,491,624.28/65,642.51
  6. Step 6: Final answer
    x = 51,544.21

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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.