Home / 117,972.76-162,796.80-64,257.52

Finding the Fourth Proportional to 117,972.76, 162,796.80 and 64,257.52

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Solution

The fourth proportional to 117,972.76, 162,796.80 and 64,257.52 is: 88,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,972.76 : 162,796.80 = 64,257.52 : x
  2. Step 2: Convert to fraction form
    117,972.76/162,796.80 = 64,257.52/x
  3. Step 3: Cross multiply
    117,972.76x = 162,796.80 × 64,257.52
  4. Step 4: Simplify right side
    117,972.76x = 10,460,918,631.94
  5. Step 5: Solve for x
    x = 10,460,918,631.94/117,972.76
  6. Step 6: Final answer
    x = 88,672.32

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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.