Home / 101,787.09-152,678.34-35,223.21

Finding the Fourth Proportional to 101,787.09, 152,678.34 and 35,223.21

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Solution

The fourth proportional to 101,787.09, 152,678.34 and 35,223.21 is: 52,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,787.09 : 152,678.34 = 35,223.21 : x
  2. Step 2: Convert to fraction form
    101,787.09/152,678.34 = 35,223.21/x
  3. Step 3: Cross multiply
    101,787.09x = 152,678.34 × 35,223.21
  4. Step 4: Simplify right side
    101,787.09x = 5,377,821,232.27
  5. Step 5: Solve for x
    x = 5,377,821,232.27/101,787.09
  6. Step 6: Final answer
    x = 52,834.02

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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.