Home / 55,095.12-82,644.24-13,542

Finding the Fourth Proportional to 55,095.12, 82,644.24 and 13,542

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Solution

The fourth proportional to 55,095.12, 82,644.24 and 13,542 is: 20,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,095.12 : 82,644.24 = 13,542 : x
  2. Step 2: Convert to fraction form
    55,095.12/82,644.24 = 13,542/x
  3. Step 3: Cross multiply
    55,095.12x = 82,644.24 × 13,542
  4. Step 4: Simplify right side
    55,095.12x = 1,119,168,298.08
  5. Step 5: Solve for x
    x = 1,119,168,298.08/55,095.12
  6. Step 6: Final answer
    x = 20,313.38

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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.