Home / 111,008.76-166,502.21-36,125.88

Finding the Fourth Proportional to 111,008.76, 166,502.21 and 36,125.88

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Solution

The fourth proportional to 111,008.76, 166,502.21 and 36,125.88 is: 54,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,008.76 : 166,502.21 = 36,125.88 : x
  2. Step 2: Convert to fraction form
    111,008.76/166,502.21 = 36,125.88/x
  3. Step 3: Cross multiply
    111,008.76x = 166,502.21 × 36,125.88
  4. Step 4: Simplify right side
    111,008.76x = 6,015,038,677.57
  5. Step 5: Solve for x
    x = 6,015,038,677.57/111,008.76
  6. Step 6: Final answer
    x = 54,185.26

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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.