Home / 104,921.52-157,348.20-34,782

Finding the Fourth Proportional to 104,921.52, 157,348.20 and 34,782

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Solution

The fourth proportional to 104,921.52, 157,348.20 and 34,782 is: 52,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,921.52 : 157,348.20 = 34,782 : x
  2. Step 2: Convert to fraction form
    104,921.52/157,348.20 = 34,782/x
  3. Step 3: Cross multiply
    104,921.52x = 157,348.20 × 34,782
  4. Step 4: Simplify right side
    104,921.52x = 5,472,885,092.40
  5. Step 5: Solve for x
    x = 5,472,885,092.40/104,921.52
  6. Step 6: Final answer
    x = 52,161.70

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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.