Home / 101,091.12-151,592.64-53,695.84

Finding the Fourth Proportional to 101,091.12, 151,592.64 and 53,695.84

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Solution

The fourth proportional to 101,091.12, 151,592.64 and 53,695.84 is: 80,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,091.12 : 151,592.64 = 53,695.84 : x
  2. Step 2: Convert to fraction form
    101,091.12/151,592.64 = 53,695.84/x
  3. Step 3: Cross multiply
    101,091.12x = 151,592.64 × 53,695.84
  4. Step 4: Simplify right side
    101,091.12x = 8,139,894,142.62
  5. Step 5: Solve for x
    x = 8,139,894,142.62/101,091.12
  6. Step 6: Final answer
    x = 80,520.37

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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.