Home / 102,255.80-153,420.62-35,705.75

Finding the Fourth Proportional to 102,255.80, 153,420.62 and 35,705.75

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Solution

The fourth proportional to 102,255.80, 153,420.62 and 35,705.75 is: 53,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,255.80 : 153,420.62 = 35,705.75 : x
  2. Step 2: Convert to fraction form
    102,255.80/153,420.62 = 35,705.75/x
  3. Step 3: Cross multiply
    102,255.80x = 153,420.62 × 35,705.75
  4. Step 4: Simplify right side
    102,255.80x = 5,477,997,356.93
  5. Step 5: Solve for x
    x = 5,477,997,356.93/102,255.80
  6. Step 6: Final answer
    x = 53,571.51

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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.