Home / 55,132.75-82,726.46-21,852.08

Finding the Fourth Proportional to 55,132.75, 82,726.46 and 21,852.08

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Solution

The fourth proportional to 55,132.75, 82,726.46 and 21,852.08 is: 32,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.75 : 82,726.46 = 21,852.08 : x
  2. Step 2: Convert to fraction form
    55,132.75/82,726.46 = 21,852.08/x
  3. Step 3: Cross multiply
    55,132.75x = 82,726.46 × 21,852.08
  4. Step 4: Simplify right side
    55,132.75x = 1,807,744,699.14
  5. Step 5: Solve for x
    x = 1,807,744,699.14/55,132.75
  6. Step 6: Final answer
    x = 32,788.95

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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.