Home / 76,326.76-114,490.14-34,785.64

Finding the Fourth Proportional to 76,326.76, 114,490.14 and 34,785.64

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Solution

The fourth proportional to 76,326.76, 114,490.14 and 34,785.64 is: 52,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,326.76 : 114,490.14 = 34,785.64 : x
  2. Step 2: Convert to fraction form
    76,326.76/114,490.14 = 34,785.64/x
  3. Step 3: Cross multiply
    76,326.76x = 114,490.14 × 34,785.64
  4. Step 4: Simplify right side
    76,326.76x = 3,982,612,793.59
  5. Step 5: Solve for x
    x = 3,982,612,793.59/76,326.76
  6. Step 6: Final answer
    x = 52,178.46

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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.