Home / 110,843.61-166,331.66-40,730.01

Finding the Fourth Proportional to 110,843.61, 166,331.66 and 40,730.01

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Solution

The fourth proportional to 110,843.61, 166,331.66 and 40,730.01 is: 61,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,843.61 : 166,331.66 = 40,730.01 : x
  2. Step 2: Convert to fraction form
    110,843.61/166,331.66 = 40,730.01/x
  3. Step 3: Cross multiply
    110,843.61x = 166,331.66 × 40,730.01
  4. Step 4: Simplify right side
    110,843.61x = 6,774,689,971.47
  5. Step 5: Solve for x
    x = 6,774,689,971.47/110,843.61
  6. Step 6: Final answer
    x = 61,119.36

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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.