Home / 117,968.76-162,791.28-64,253.52

Finding the Fourth Proportional to 117,968.76, 162,791.28 and 64,253.52

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Solution

The fourth proportional to 117,968.76, 162,791.28 and 64,253.52 is: 88,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,968.76 : 162,791.28 = 64,253.52 : x
  2. Step 2: Convert to fraction form
    117,968.76/162,791.28 = 64,253.52/x
  3. Step 3: Cross multiply
    117,968.76x = 162,791.28 × 64,253.52
  4. Step 4: Simplify right side
    117,968.76x = 10,459,912,765.31
  5. Step 5: Solve for x
    x = 10,459,912,765.31/117,968.76
  6. Step 6: Final answer
    x = 88,666.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.