Home / 114,484.20-157,992.30-66,729.84

Finding the Fourth Proportional to 114,484.20, 157,992.30 and 66,729.84

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Solution

The fourth proportional to 114,484.20, 157,992.30 and 66,729.84 is: 92,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,484.20 : 157,992.30 = 66,729.84 : x
  2. Step 2: Convert to fraction form
    114,484.20/157,992.30 = 66,729.84/x
  3. Step 3: Cross multiply
    114,484.20x = 157,992.30 × 66,729.84
  4. Step 4: Simplify right side
    114,484.20x = 10,542,800,900.23
  5. Step 5: Solve for x
    x = 10,542,800,900.23/114,484.20
  6. Step 6: Final answer
    x = 92,089.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.