Home / 52,172.43-72,001.52-29,511.43

Finding the Fourth Proportional to 52,172.43, 72,001.52 and 29,511.43

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Solution

The fourth proportional to 52,172.43, 72,001.52 and 29,511.43 is: 40,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.43 : 72,001.52 = 29,511.43 : x
  2. Step 2: Convert to fraction form
    52,172.43/72,001.52 = 29,511.43/x
  3. Step 3: Cross multiply
    52,172.43x = 72,001.52 × 29,511.43
  4. Step 4: Simplify right side
    52,172.43x = 2,124,867,817.37
  5. Step 5: Solve for x
    x = 2,124,867,817.37/52,172.43
  6. Step 6: Final answer
    x = 40,727.79

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1.5x scale

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.