Home / 73,789.17-101,830.23-40,255.17

Finding the Fourth Proportional to 73,789.17, 101,830.23 and 40,255.17

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Solution

The fourth proportional to 73,789.17, 101,830.23 and 40,255.17 is: 55,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,789.17 : 101,830.23 = 40,255.17 : x
  2. Step 2: Convert to fraction form
    73,789.17/101,830.23 = 40,255.17/x
  3. Step 3: Cross multiply
    73,789.17x = 101,830.23 × 40,255.17
  4. Step 4: Simplify right side
    73,789.17x = 4,099,193,219.79
  5. Step 5: Solve for x
    x = 4,099,193,219.79/73,789.17
  6. Step 6: Final answer
    x = 55,552.78

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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.