Home / 40,774.32-61,161.54-11,192.52

Finding the Fourth Proportional to 40,774.32, 61,161.54 and 11,192.52

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Solution

The fourth proportional to 40,774.32, 61,161.54 and 11,192.52 is: 16,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.32 : 61,161.54 = 11,192.52 : x
  2. Step 2: Convert to fraction form
    40,774.32/61,161.54 = 11,192.52/x
  3. Step 3: Cross multiply
    40,774.32x = 61,161.54 × 11,192.52
  4. Step 4: Simplify right side
    40,774.32x = 684,551,759.68
  5. Step 5: Solve for x
    x = 684,551,759.68/40,774.32
  6. Step 6: Final answer
    x = 16,788.80

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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.