Home / 55,252.40-82,866.96-17,815.76

Finding the Fourth Proportional to 55,252.40, 82,866.96 and 17,815.76

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Solution

The fourth proportional to 55,252.40, 82,866.96 and 17,815.76 is: 26,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.40 : 82,866.96 = 17,815.76 : x
  2. Step 2: Convert to fraction form
    55,252.40/82,866.96 = 17,815.76/x
  3. Step 3: Cross multiply
    55,252.40x = 82,866.96 × 17,815.76
  4. Step 4: Simplify right side
    55,252.40x = 1,476,337,871.29
  5. Step 5: Solve for x
    x = 1,476,337,871.29/55,252.40
  6. Step 6: Final answer
    x = 26,719.89

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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.