Home / 117,630.21-176,346.10-51,020.17

Finding the Fourth Proportional to 117,630.21, 176,346.10 and 51,020.17

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Solution

The fourth proportional to 117,630.21, 176,346.10 and 51,020.17 is: 76,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.21 : 176,346.10 = 51,020.17 : x
  2. Step 2: Convert to fraction form
    117,630.21/176,346.10 = 51,020.17/x
  3. Step 3: Cross multiply
    117,630.21x = 176,346.10 × 51,020.17
  4. Step 4: Simplify right side
    117,630.21x = 8,997,207,623.75
  5. Step 5: Solve for x
    x = 8,997,207,623.75/117,630.21
  6. Step 6: Final answer
    x = 76,487.22

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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.