Home / 52,220.43-72,063.78-28,346.61

Finding the Fourth Proportional to 52,220.43, 72,063.78 and 28,346.61

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Solution

The fourth proportional to 52,220.43, 72,063.78 and 28,346.61 is: 39,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.43 : 72,063.78 = 28,346.61 : x
  2. Step 2: Convert to fraction form
    52,220.43/72,063.78 = 28,346.61/x
  3. Step 3: Cross multiply
    52,220.43x = 72,063.78 × 28,346.61
  4. Step 4: Simplify right side
    52,220.43x = 2,042,763,866.79
  5. Step 5: Solve for x
    x = 2,042,763,866.79/52,220.43
  6. Step 6: Final answer
    x = 39,118.10

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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.