Home / 111,036.32-166,556.64-40,879.52

Finding the Fourth Proportional to 111,036.32, 166,556.64 and 40,879.52

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Solution

The fourth proportional to 111,036.32, 166,556.64 and 40,879.52 is: 61,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,036.32 : 166,556.64 = 40,879.52 : x
  2. Step 2: Convert to fraction form
    111,036.32/166,556.64 = 40,879.52/x
  3. Step 3: Cross multiply
    111,036.32x = 166,556.64 × 40,879.52
  4. Step 4: Simplify right side
    111,036.32x = 6,808,755,496.01
  5. Step 5: Solve for x
    x = 6,808,755,496.01/111,036.32
  6. Step 6: Final answer
    x = 61,320.08

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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.