Home / 124,944.30-187,592.22-72,412.56

Finding the Fourth Proportional to 124,944.30, 187,592.22 and 72,412.56

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Solution

The fourth proportional to 124,944.30, 187,592.22 and 72,412.56 is: 108,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,944.30 : 187,592.22 = 72,412.56 : x
  2. Step 2: Convert to fraction form
    124,944.30/187,592.22 = 72,412.56/x
  3. Step 3: Cross multiply
    124,944.30x = 187,592.22 × 72,412.56
  4. Step 4: Simplify right side
    124,944.30x = 13,584,032,886.28
  5. Step 5: Solve for x
    x = 13,584,032,886.28/124,944.30
  6. Step 6: Final answer
    x = 108,720.71

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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.