Home / 72,372.37-108,565.44-22,453.01

Finding the Fourth Proportional to 72,372.37, 108,565.44 and 22,453.01

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Solution

The fourth proportional to 72,372.37, 108,565.44 and 22,453.01 is: 33,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372.37 : 108,565.44 = 22,453.01 : x
  2. Step 2: Convert to fraction form
    72,372.37/108,565.44 = 22,453.01/x
  3. Step 3: Cross multiply
    72,372.37x = 108,565.44 × 22,453.01
  4. Step 4: Simplify right side
    72,372.37x = 2,437,620,909.97
  5. Step 5: Solve for x
    x = 2,437,620,909.97/72,372.37
  6. Step 6: Final answer
    x = 33,681.65

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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.