Home / 42,757.18-64,137.93-13,195.24

Finding the Fourth Proportional to 42,757.18, 64,137.93 and 13,195.24

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Solution

The fourth proportional to 42,757.18, 64,137.93 and 13,195.24 is: 19,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,757.18 : 64,137.93 = 13,195.24 : x
  2. Step 2: Convert to fraction form
    42,757.18/64,137.93 = 13,195.24/x
  3. Step 3: Cross multiply
    42,757.18x = 64,137.93 × 13,195.24
  4. Step 4: Simplify right side
    42,757.18x = 846,315,379.45
  5. Step 5: Solve for x
    x = 846,315,379.45/42,757.18
  6. Step 6: Final answer
    x = 19,793.53

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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.