Home / 111,004.11-166,530.76-51,807.48

Finding the Fourth Proportional to 111,004.11, 166,530.76 and 51,807.48

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Solution

The fourth proportional to 111,004.11, 166,530.76 and 51,807.48 is: 77,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,004.11 : 166,530.76 = 51,807.48 : x
  2. Step 2: Convert to fraction form
    111,004.11/166,530.76 = 51,807.48/x
  3. Step 3: Cross multiply
    111,004.11x = 166,530.76 × 51,807.48
  4. Step 4: Simplify right side
    111,004.11x = 8,627,539,018.08
  5. Step 5: Solve for x
    x = 8,627,539,018.08/111,004.11
  6. Step 6: Final answer
    x = 77,722.70

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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.