Home / 55,045.21-82,569.64-17,610.66

Finding the Fourth Proportional to 55,045.21, 82,569.64 and 17,610.66

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Solution

The fourth proportional to 55,045.21, 82,569.64 and 17,610.66 is: 26,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.21 : 82,569.64 = 17,610.66 : x
  2. Step 2: Convert to fraction form
    55,045.21/82,569.64 = 17,610.66/x
  3. Step 3: Cross multiply
    55,045.21x = 82,569.64 × 17,610.66
  4. Step 4: Simplify right side
    55,045.21x = 1,454,105,856.36
  5. Step 5: Solve for x
    x = 1,454,105,856.36/55,045.21
  6. Step 6: Final answer
    x = 26,416.57

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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.