Home / 72,436.64-108,670.34-22,515.52

Finding the Fourth Proportional to 72,436.64, 108,670.34 and 22,515.52

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Solution

The fourth proportional to 72,436.64, 108,670.34 and 22,515.52 is: 33,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,436.64 : 108,670.34 = 22,515.52 : x
  2. Step 2: Convert to fraction form
    72,436.64/108,670.34 = 22,515.52/x
  3. Step 3: Cross multiply
    72,436.64x = 108,670.34 × 22,515.52
  4. Step 4: Simplify right side
    72,436.64x = 2,446,769,213.68
  5. Step 5: Solve for x
    x = 2,446,769,213.68/72,436.64
  6. Step 6: Final answer
    x = 33,778.06

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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.