Home / 99,205.92-136,900.32-53,882.94

Finding the Fourth Proportional to 99,205.92, 136,900.32 and 53,882.94

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Solution

The fourth proportional to 99,205.92, 136,900.32 and 53,882.94 is: 74,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,205.92 : 136,900.32 = 53,882.94 : x
  2. Step 2: Convert to fraction form
    99,205.92/136,900.32 = 53,882.94/x
  3. Step 3: Cross multiply
    99,205.92x = 136,900.32 × 53,882.94
  4. Step 4: Simplify right side
    99,205.92x = 7,376,591,728.54
  5. Step 5: Solve for x
    x = 7,376,591,728.54/99,205.92
  6. Step 6: Final answer
    x = 74,356.37

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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.