Home / 52,143.36-71,957.61-28,269.96

Finding the Fourth Proportional to 52,143.36, 71,957.61 and 28,269.96

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Solution

The fourth proportional to 52,143.36, 71,957.61 and 28,269.96 is: 39,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.36 : 71,957.61 = 28,269.96 : x
  2. Step 2: Convert to fraction form
    52,143.36/71,957.61 = 28,269.96/x
  3. Step 3: Cross multiply
    52,143.36x = 71,957.61 × 28,269.96
  4. Step 4: Simplify right side
    52,143.36x = 2,034,238,756.40
  5. Step 5: Solve for x
    x = 2,034,238,756.40/52,143.36
  6. Step 6: Final answer
    x = 39,012.42

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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.