Home / 99,232.05-136,941.20-53,910.39

Finding the Fourth Proportional to 99,232.05, 136,941.20 and 53,910.39

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Solution

The fourth proportional to 99,232.05, 136,941.20 and 53,910.39 is: 74,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,232.05 : 136,941.20 = 53,910.39 : x
  2. Step 2: Convert to fraction form
    99,232.05/136,941.20 = 53,910.39/x
  3. Step 3: Cross multiply
    99,232.05x = 136,941.20 × 53,910.39
  4. Step 4: Simplify right side
    99,232.05x = 7,382,553,945.21
  5. Step 5: Solve for x
    x = 7,382,553,945.21/99,232.05
  6. Step 6: Final answer
    x = 74,396.87

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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.