Home / 65,849.36-90,871.46-35,634.02

Finding the Fourth Proportional to 65,849.36, 90,871.46 and 35,634.02

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Solution

The fourth proportional to 65,849.36, 90,871.46 and 35,634.02 is: 49,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,849.36 : 90,871.46 = 35,634.02 : x
  2. Step 2: Convert to fraction form
    65,849.36/90,871.46 = 35,634.02/x
  3. Step 3: Cross multiply
    65,849.36x = 90,871.46 × 35,634.02
  4. Step 4: Simplify right side
    65,849.36x = 3,238,115,423.07
  5. Step 5: Solve for x
    x = 3,238,115,423.07/65,849.36
  6. Step 6: Final answer
    x = 49,174.59

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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.