Home / 76,221.57-114,331.31-23,631.05

Finding the Fourth Proportional to 76,221.57, 114,331.31 and 23,631.05

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Solution

The fourth proportional to 76,221.57, 114,331.31 and 23,631.05 is: 35,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,221.57 : 114,331.31 = 23,631.05 : x
  2. Step 2: Convert to fraction form
    76,221.57/114,331.31 = 23,631.05/x
  3. Step 3: Cross multiply
    76,221.57x = 114,331.31 × 23,631.05
  4. Step 4: Simplify right side
    76,221.57x = 2,701,769,159.46
  5. Step 5: Solve for x
    x = 2,701,769,159.46/76,221.57
  6. Step 6: Final answer
    x = 35,446.25

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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.