Home / 111,300.96-166,953.27-31,340.85

Finding the Fourth Proportional to 111,300.96, 166,953.27 and 31,340.85

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Solution

The fourth proportional to 111,300.96, 166,953.27 and 31,340.85 is: 47,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,300.96 : 166,953.27 = 31,340.85 : x
  2. Step 2: Convert to fraction form
    111,300.96/166,953.27 = 31,340.85/x
  3. Step 3: Cross multiply
    111,300.96x = 166,953.27 × 31,340.85
  4. Step 4: Simplify right side
    111,300.96x = 5,232,457,392.08
  5. Step 5: Solve for x
    x = 5,232,457,392.08/111,300.96
  6. Step 6: Final answer
    x = 47,011.79

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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.