Home / 55,112.04-82,665.18-15,663.96

Finding the Fourth Proportional to 55,112.04, 82,665.18 and 15,663.96

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Solution

The fourth proportional to 55,112.04, 82,665.18 and 15,663.96 is: 23,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.04 : 82,665.18 = 15,663.96 : x
  2. Step 2: Convert to fraction form
    55,112.04/82,665.18 = 15,663.96/x
  3. Step 3: Cross multiply
    55,112.04x = 82,665.18 × 15,663.96
  4. Step 4: Simplify right side
    55,112.04x = 1,294,864,072.91
  5. Step 5: Solve for x
    x = 1,294,864,072.91/55,112.04
  6. Step 6: Final answer
    x = 23,495.12

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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.