Home / 40,781.04-61,164.24-11,194.98

Finding the Fourth Proportional to 40,781.04, 61,164.24 and 11,194.98

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Solution

The fourth proportional to 40,781.04, 61,164.24 and 11,194.98 is: 16,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.04 : 61,164.24 = 11,194.98 : x
  2. Step 2: Convert to fraction form
    40,781.04/61,164.24 = 11,194.98/x
  3. Step 3: Cross multiply
    40,781.04x = 61,164.24 × 11,194.98
  4. Step 4: Simplify right side
    40,781.04x = 684,732,443.52
  5. Step 5: Solve for x
    x = 684,732,443.52/40,781.04
  6. Step 6: Final answer
    x = 16,790.46

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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.