Home / 111,093.12-166,587.84-64,359.36

Finding the Fourth Proportional to 111,093.12, 166,587.84 and 64,359.36

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Solution

The fourth proportional to 111,093.12, 166,587.84 and 64,359.36 is: 96,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093.12 : 166,587.84 = 64,359.36 : x
  2. Step 2: Convert to fraction form
    111,093.12/166,587.84 = 64,359.36/x
  3. Step 3: Cross multiply
    111,093.12x = 166,587.84 × 64,359.36
  4. Step 4: Simplify right side
    111,093.12x = 10,721,486,766.18
  5. Step 5: Solve for x
    x = 10,721,486,766.18/111,093.12
  6. Step 6: Final answer
    x = 96,509.01

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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.