Home / 55,053.29-75,973.38-29,902.79

Finding the Fourth Proportional to 55,053.29, 75,973.38 and 29,902.79

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Solution

The fourth proportional to 55,053.29, 75,973.38 and 29,902.79 is: 41,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.29 : 75,973.38 = 29,902.79 : x
  2. Step 2: Convert to fraction form
    55,053.29/75,973.38 = 29,902.79/x
  3. Step 3: Cross multiply
    55,053.29x = 75,973.38 × 29,902.79
  4. Step 4: Simplify right side
    55,053.29x = 2,271,815,647.86
  5. Step 5: Solve for x
    x = 2,271,815,647.86/55,053.29
  6. Step 6: Final answer
    x = 41,265.76

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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.