Home / 65,912.23-90,964.47-37,237.15

Finding the Fourth Proportional to 65,912.23, 90,964.47 and 37,237.15

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Solution

The fourth proportional to 65,912.23, 90,964.47 and 37,237.15 is: 51,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,912.23 : 90,964.47 = 37,237.15 : x
  2. Step 2: Convert to fraction form
    65,912.23/90,964.47 = 37,237.15/x
  3. Step 3: Cross multiply
    65,912.23x = 90,964.47 × 37,237.15
  4. Step 4: Simplify right side
    65,912.23x = 3,387,257,159.24
  5. Step 5: Solve for x
    x = 3,387,257,159.24/65,912.23
  6. Step 6: Final answer
    x = 51,390.42

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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.