Home / 76,476.45-114,731.09-32,077.61

Finding the Fourth Proportional to 76,476.45, 114,731.09 and 32,077.61

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Solution

The fourth proportional to 76,476.45, 114,731.09 and 32,077.61 is: 48,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,476.45 : 114,731.09 = 32,077.61 : x
  2. Step 2: Convert to fraction form
    76,476.45/114,731.09 = 32,077.61/x
  3. Step 3: Cross multiply
    76,476.45x = 114,731.09 × 32,077.61
  4. Step 4: Simplify right side
    76,476.45x = 3,680,298,712.68
  5. Step 5: Solve for x
    x = 3,680,298,712.68/76,476.45
  6. Step 6: Final answer
    x = 48,123.30

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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.