Home / 51,204.61-70,660.11-28,546.09

Finding the Fourth Proportional to 51,204.61, 70,660.11 and 28,546.09

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Solution

The fourth proportional to 51,204.61, 70,660.11 and 28,546.09 is: 39,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.61 : 70,660.11 = 28,546.09 : x
  2. Step 2: Convert to fraction form
    51,204.61/70,660.11 = 28,546.09/x
  3. Step 3: Cross multiply
    51,204.61x = 70,660.11 × 28,546.09
  4. Step 4: Simplify right side
    51,204.61x = 2,017,069,859.47
  5. Step 5: Solve for x
    x = 2,017,069,859.47/51,204.61
  6. Step 6: Final answer
    x = 39,392.35

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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.