Home / 72,490.41-108,646.38-34,559.66

Finding the Fourth Proportional to 72,490.41, 108,646.38 and 34,559.66

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Solution

The fourth proportional to 72,490.41, 108,646.38 and 34,559.66 is: 51,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,490.41 : 108,646.38 = 34,559.66 : x
  2. Step 2: Convert to fraction form
    72,490.41/108,646.38 = 34,559.66/x
  3. Step 3: Cross multiply
    72,490.41x = 108,646.38 × 34,559.66
  4. Step 4: Simplify right side
    72,490.41x = 3,754,782,224.65
  5. Step 5: Solve for x
    x = 3,754,782,224.65/72,490.41
  6. Step 6: Final answer
    x = 51,796.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.