Home / 52,890.55-72,993.68-29,021.87

Finding the Fourth Proportional to 52,890.55, 72,993.68 and 29,021.87

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Solution

The fourth proportional to 52,890.55, 72,993.68 and 29,021.87 is: 40,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890.55 : 72,993.68 = 29,021.87 : x
  2. Step 2: Convert to fraction form
    52,890.55/72,993.68 = 29,021.87/x
  3. Step 3: Cross multiply
    52,890.55x = 72,993.68 × 29,021.87
  4. Step 4: Simplify right side
    52,890.55x = 2,118,413,091.78
  5. Step 5: Solve for x
    x = 2,118,413,091.78/52,890.55
  6. Step 6: Final answer
    x = 40,052.77

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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.