Home / 52,743.46-72,786.06-28,871.64

Finding the Fourth Proportional to 52,743.46, 72,786.06 and 28,871.64

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Solution

The fourth proportional to 52,743.46, 72,786.06 and 28,871.64 is: 39,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,743.46 : 72,786.06 = 28,871.64 : x
  2. Step 2: Convert to fraction form
    52,743.46/72,786.06 = 28,871.64/x
  3. Step 3: Cross multiply
    52,743.46x = 72,786.06 × 28,871.64
  4. Step 4: Simplify right side
    52,743.46x = 2,101,452,921.34
  5. Step 5: Solve for x
    x = 2,101,452,921.34/52,743.46
  6. Step 6: Final answer
    x = 39,842.91

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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.