Home / 55,174.19-82,752.01-15,721.92

Finding the Fourth Proportional to 55,174.19, 82,752.01 and 15,721.92

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Solution

The fourth proportional to 55,174.19, 82,752.01 and 15,721.92 is: 23,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174.19 : 82,752.01 = 15,721.92 : x
  2. Step 2: Convert to fraction form
    55,174.19/82,752.01 = 15,721.92/x
  3. Step 3: Cross multiply
    55,174.19x = 82,752.01 × 15,721.92
  4. Step 4: Simplify right side
    55,174.19x = 1,301,020,441.75
  5. Step 5: Solve for x
    x = 1,301,020,441.75/55,174.19
  6. Step 6: Final answer
    x = 23,580.24

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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.