Home / 51,208.61-70,660.94-28,546.50

Finding the Fourth Proportional to 51,208.61, 70,660.94 and 28,546.50

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Solution

The fourth proportional to 51,208.61, 70,660.94 and 28,546.50 is: 39,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.61 : 70,660.94 = 28,546.50 : x
  2. Step 2: Convert to fraction form
    51,208.61/70,660.94 = 28,546.50/x
  3. Step 3: Cross multiply
    51,208.61x = 70,660.94 × 28,546.50
  4. Step 4: Simplify right side
    51,208.61x = 2,017,122,728.23
  5. Step 5: Solve for x
    x = 2,017,122,728.23/51,208.61
  6. Step 6: Final answer
    x = 39,390.31

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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.