Home / 111,341.45-166,999.02-31,385.41

Finding the Fourth Proportional to 111,341.45, 166,999.02 and 31,385.41

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Solution

The fourth proportional to 111,341.45, 166,999.02 and 31,385.41 is: 47,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,341.45 : 166,999.02 = 31,385.41 : x
  2. Step 2: Convert to fraction form
    111,341.45/166,999.02 = 31,385.41/x
  3. Step 3: Cross multiply
    111,341.45x = 166,999.02 × 31,385.41
  4. Step 4: Simplify right side
    111,341.45x = 5,241,332,712.30
  5. Step 5: Solve for x
    x = 5,241,332,712.30/111,341.45
  6. Step 6: Final answer
    x = 47,074.41

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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.