Home / 55,789.16-83,689.00-18,349.54

Finding the Fourth Proportional to 55,789.16, 83,689.00 and 18,349.54

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Solution

The fourth proportional to 55,789.16, 83,689.00 and 18,349.54 is: 27,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,789.16 : 83,689.00 = 18,349.54 : x
  2. Step 2: Convert to fraction form
    55,789.16/83,689.00 = 18,349.54/x
  3. Step 3: Cross multiply
    55,789.16x = 83,689.00 × 18,349.54
  4. Step 4: Simplify right side
    55,789.16x = 1,535,654,397.96
  5. Step 5: Solve for x
    x = 1,535,654,397.96/55,789.16
  6. Step 6: Final answer
    x = 27,526.04

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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.