Home / 111,007.13-166,535.28-51,810.48

Finding the Fourth Proportional to 111,007.13, 166,535.28 and 51,810.48

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Solution

The fourth proportional to 111,007.13, 166,535.28 and 51,810.48 is: 77,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,007.13 : 166,535.28 = 51,810.48 : x
  2. Step 2: Convert to fraction form
    111,007.13/166,535.28 = 51,810.48/x
  3. Step 3: Cross multiply
    111,007.13x = 166,535.28 × 51,810.48
  4. Step 4: Simplify right side
    111,007.13x = 8,628,272,793.73
  5. Step 5: Solve for x
    x = 8,628,272,793.73/111,007.13
  6. Step 6: Final answer
    x = 77,727.20

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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.