Home / 52,977.88-73,115.95-30,621.88

Finding the Fourth Proportional to 52,977.88, 73,115.95 and 30,621.88

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Solution

The fourth proportional to 52,977.88, 73,115.95 and 30,621.88 is: 42,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,977.88 : 73,115.95 = 30,621.88 : x
  2. Step 2: Convert to fraction form
    52,977.88/73,115.95 = 30,621.88/x
  3. Step 3: Cross multiply
    52,977.88x = 73,115.95 × 30,621.88
  4. Step 4: Simplify right side
    52,977.88x = 2,238,947,481.41
  5. Step 5: Solve for x
    x = 2,238,947,481.41/52,977.88
  6. Step 6: Final answer
    x = 42,261.93

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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.