Home / 96,478.85-133,142.22-56,191.56

Finding the Fourth Proportional to 96,478.85, 133,142.22 and 56,191.56

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Solution

The fourth proportional to 96,478.85, 133,142.22 and 56,191.56 is: 77,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,478.85 : 133,142.22 = 56,191.56 : x
  2. Step 2: Convert to fraction form
    96,478.85/133,142.22 = 56,191.56/x
  3. Step 3: Cross multiply
    96,478.85x = 133,142.22 × 56,191.56
  4. Step 4: Simplify right side
    96,478.85x = 7,481,469,043.66
  5. Step 5: Solve for x
    x = 7,481,469,043.66/96,478.85
  6. Step 6: Final answer
    x = 77,545.18

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1.5x scale

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.