Home / 72,391.25-108,439.05-37,257.10

Finding the Fourth Proportional to 72,391.25, 108,439.05 and 37,257.10

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Solution

The fourth proportional to 72,391.25, 108,439.05 and 37,257.10 is: 55,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,391.25 : 108,439.05 = 37,257.10 : x
  2. Step 2: Convert to fraction form
    72,391.25/108,439.05 = 37,257.10/x
  3. Step 3: Cross multiply
    72,391.25x = 108,439.05 × 37,257.10
  4. Step 4: Simplify right side
    72,391.25x = 4,040,124,398.37
  5. Step 5: Solve for x
    x = 4,040,124,398.37/72,391.25
  6. Step 6: Final answer
    x = 55,809.57

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1.5x scale

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.