Home / 55,053.02-75,972.75-29,902.70

Finding the Fourth Proportional to 55,053.02, 75,972.75 and 29,902.70

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Solution

The fourth proportional to 55,053.02, 75,972.75 and 29,902.70 is: 41,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.02 : 75,972.75 = 29,902.70 : x
  2. Step 2: Convert to fraction form
    55,053.02/75,972.75 = 29,902.70/x
  3. Step 3: Cross multiply
    55,053.02x = 75,972.75 × 29,902.70
  4. Step 4: Simplify right side
    55,053.02x = 2,271,790,351.43
  5. Step 5: Solve for x
    x = 2,271,790,351.43/55,053.02
  6. Step 6: Final answer
    x = 41,265.50

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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.