Home / 117,757.12-162,506.02-64,043.34

Finding the Fourth Proportional to 117,757.12, 162,506.02 and 64,043.34

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Solution

The fourth proportional to 117,757.12, 162,506.02 and 64,043.34 is: 88,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,757.12 : 162,506.02 = 64,043.34 : x
  2. Step 2: Convert to fraction form
    117,757.12/162,506.02 = 64,043.34/x
  3. Step 3: Cross multiply
    117,757.12x = 162,506.02 × 64,043.34
  4. Step 4: Simplify right side
    117,757.12x = 10,407,428,290.91
  5. Step 5: Solve for x
    x = 10,407,428,290.91/117,757.12
  6. Step 6: Final answer
    x = 88,380.46

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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.