Home / 117,680.43-176,421.17-51,070.49

Finding the Fourth Proportional to 117,680.43, 176,421.17 and 51,070.49

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Solution

The fourth proportional to 117,680.43, 176,421.17 and 51,070.49 is: 76,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.43 : 176,421.17 = 51,070.49 : x
  2. Step 2: Convert to fraction form
    117,680.43/176,421.17 = 51,070.49/x
  3. Step 3: Cross multiply
    117,680.43x = 176,421.17 × 51,070.49
  4. Step 4: Simplify right side
    117,680.43x = 9,009,914,460.82
  5. Step 5: Solve for x
    x = 9,009,914,460.82/117,680.43
  6. Step 6: Final answer
    x = 76,562.56

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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.