Home / 55,052.52-75,972.06-29,902.20

Finding the Fourth Proportional to 55,052.52, 75,972.06 and 29,902.20

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Solution

The fourth proportional to 55,052.52, 75,972.06 and 29,902.20 is: 41,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.52 : 75,972.06 = 29,902.20 : x
  2. Step 2: Convert to fraction form
    55,052.52/75,972.06 = 29,902.20/x
  3. Step 3: Cross multiply
    55,052.52x = 75,972.06 × 29,902.20
  4. Step 4: Simplify right side
    55,052.52x = 2,271,731,732.53
  5. Step 5: Solve for x
    x = 2,271,731,732.53/55,052.52
  6. Step 6: Final answer
    x = 41,264.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.