Home / 76,713.72-115,088.70-24,123.21

Finding the Fourth Proportional to 76,713.72, 115,088.70 and 24,123.21

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Solution

The fourth proportional to 76,713.72, 115,088.70 and 24,123.21 is: 36,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,713.72 : 115,088.70 = 24,123.21 : x
  2. Step 2: Convert to fraction form
    76,713.72/115,088.70 = 24,123.21/x
  3. Step 3: Cross multiply
    76,713.72x = 115,088.70 × 24,123.21
  4. Step 4: Simplify right side
    76,713.72x = 2,776,308,878.73
  5. Step 5: Solve for x
    x = 2,776,308,878.73/76,713.72
  6. Step 6: Final answer
    x = 36,190.51

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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.