Home / 42,103.08-63,176.76-17,161.56

Finding the Fourth Proportional to 42,103.08, 63,176.76 and 17,161.56

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Solution

The fourth proportional to 42,103.08, 63,176.76 and 17,161.56 is: 25,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,103.08 : 63,176.76 = 17,161.56 : x
  2. Step 2: Convert to fraction form
    42,103.08/63,176.76 = 17,161.56/x
  3. Step 3: Cross multiply
    42,103.08x = 63,176.76 × 17,161.56
  4. Step 4: Simplify right side
    42,103.08x = 1,084,211,757.35
  5. Step 5: Solve for x
    x = 1,084,211,757.35/42,103.08
  6. Step 6: Final answer
    x = 25,751.36

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1.5x scale

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.