Home / 76,660.22-114,995.20-24,071.78

Finding the Fourth Proportional to 76,660.22, 114,995.20 and 24,071.78

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Solution

The fourth proportional to 76,660.22, 114,995.20 and 24,071.78 is: 36,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,660.22 : 114,995.20 = 24,071.78 : x
  2. Step 2: Convert to fraction form
    76,660.22/114,995.20 = 24,071.78/x
  3. Step 3: Cross multiply
    76,660.22x = 114,995.20 × 24,071.78
  4. Step 4: Simplify right side
    76,660.22x = 2,768,139,382.76
  5. Step 5: Solve for x
    x = 2,768,139,382.76/76,660.22
  6. Step 6: Final answer
    x = 36,109.20

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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.