Home / 65,918.49-90,973.14-37,243.41

Finding the Fourth Proportional to 65,918.49, 90,973.14 and 37,243.41

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Solution

The fourth proportional to 65,918.49, 90,973.14 and 37,243.41 is: 51,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.49 : 90,973.14 = 37,243.41 : x
  2. Step 2: Convert to fraction form
    65,918.49/90,973.14 = 37,243.41/x
  3. Step 3: Cross multiply
    65,918.49x = 90,973.14 × 37,243.41
  4. Step 4: Simplify right side
    65,918.49x = 3,388,149,952.01
  5. Step 5: Solve for x
    x = 3,388,149,952.01/65,918.49
  6. Step 6: Final answer
    x = 51,399.08

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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.