Home / 110,861.52-166,292.28-40,710.48

Finding the Fourth Proportional to 110,861.52, 166,292.28 and 40,710.48

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Solution

The fourth proportional to 110,861.52, 166,292.28 and 40,710.48 is: 61,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,861.52 : 166,292.28 = 40,710.48 : x
  2. Step 2: Convert to fraction form
    110,861.52/166,292.28 = 40,710.48/x
  3. Step 3: Cross multiply
    110,861.52x = 166,292.28 × 40,710.48
  4. Step 4: Simplify right side
    110,861.52x = 6,769,838,539.09
  5. Step 5: Solve for x
    x = 6,769,838,539.09/110,861.52
  6. Step 6: Final answer
    x = 61,065.72

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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.