Home / 42,093.52-63,120.84-15,779.44

Finding the Fourth Proportional to 42,093.52, 63,120.84 and 15,779.44

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Solution

The fourth proportional to 42,093.52, 63,120.84 and 15,779.44 is: 23,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,093.52 : 63,120.84 = 15,779.44 : x
  2. Step 2: Convert to fraction form
    42,093.52/63,120.84 = 15,779.44/x
  3. Step 3: Cross multiply
    42,093.52x = 63,120.84 × 15,779.44
  4. Step 4: Simplify right side
    42,093.52x = 996,011,507.53
  5. Step 5: Solve for x
    x = 996,011,507.53/42,093.52
  6. Step 6: Final answer
    x = 23,661.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.