Home / 101,060.50-151,695.88-74,436.55

Finding the Fourth Proportional to 101,060.50, 151,695.88 and 74,436.55

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Solution

The fourth proportional to 101,060.50, 151,695.88 and 74,436.55 is: 111,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,060.50 : 151,695.88 = 74,436.55 : x
  2. Step 2: Convert to fraction form
    101,060.50/151,695.88 = 74,436.55/x
  3. Step 3: Cross multiply
    101,060.50x = 151,695.88 × 74,436.55
  4. Step 4: Simplify right side
    101,060.50x = 11,291,717,197.93
  5. Step 5: Solve for x
    x = 11,291,717,197.93/101,060.50
  6. Step 6: Final answer
    x = 111,732.26

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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.