Home / 65,918.06-90,972.50-37,242.98

Finding the Fourth Proportional to 65,918.06, 90,972.50 and 37,242.98

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Solution

The fourth proportional to 65,918.06, 90,972.50 and 37,242.98 is: 51,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.06 : 90,972.50 = 37,242.98 : x
  2. Step 2: Convert to fraction form
    65,918.06/90,972.50 = 37,242.98/x
  3. Step 3: Cross multiply
    65,918.06x = 90,972.50 × 37,242.98
  4. Step 4: Simplify right side
    65,918.06x = 3,388,086,998.05
  5. Step 5: Solve for x
    x = 3,388,086,998.05/65,918.06
  6. Step 6: Final answer
    x = 51,398.46

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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.