Home / 67,877.40-101,837.62-30,469.56

Finding the Fourth Proportional to 67,877.40, 101,837.62 and 30,469.56

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Solution

The fourth proportional to 67,877.40, 101,837.62 and 30,469.56 is: 45,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,877.40 : 101,837.62 = 30,469.56 : x
  2. Step 2: Convert to fraction form
    67,877.40/101,837.62 = 30,469.56/x
  3. Step 3: Cross multiply
    67,877.40x = 101,837.62 × 30,469.56
  4. Step 4: Simplify right side
    67,877.40x = 3,102,947,472.85
  5. Step 5: Solve for x
    x = 3,102,947,472.85/67,877.40
  6. Step 6: Final answer
    x = 45,714.00

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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.