Home / 101,092.20-151,565.40-66,051.60

Finding the Fourth Proportional to 101,092.20, 151,565.40 and 66,051.60

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Solution

The fourth proportional to 101,092.20, 151,565.40 and 66,051.60 is: 99,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,092.20 : 151,565.40 = 66,051.60 : x
  2. Step 2: Convert to fraction form
    101,092.20/151,565.40 = 66,051.60/x
  3. Step 3: Cross multiply
    101,092.20x = 151,565.40 × 66,051.60
  4. Step 4: Simplify right side
    101,092.20x = 10,011,137,174.64
  5. Step 5: Solve for x
    x = 10,011,137,174.64/101,092.20
  6. Step 6: Final answer
    x = 99,029.77

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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.