Home / 65,694.12-90,647.46-37,400.36

Finding the Fourth Proportional to 65,694.12, 90,647.46 and 37,400.36

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Solution

The fourth proportional to 65,694.12, 90,647.46 and 37,400.36 is: 51,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,694.12 : 90,647.46 = 37,400.36 : x
  2. Step 2: Convert to fraction form
    65,694.12/90,647.46 = 37,400.36/x
  3. Step 3: Cross multiply
    65,694.12x = 90,647.46 × 37,400.36
  4. Step 4: Simplify right side
    65,694.12x = 3,390,247,637.09
  5. Step 5: Solve for x
    x = 3,390,247,637.09/65,694.12
  6. Step 6: Final answer
    x = 51,606.56

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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.