Home / 96,163.20-132,688.80-53,719.20

Finding the Fourth Proportional to 96,163.20, 132,688.80 and 53,719.20

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Solution

The fourth proportional to 96,163.20, 132,688.80 and 53,719.20 is: 74,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,163.20 : 132,688.80 = 53,719.20 : x
  2. Step 2: Convert to fraction form
    96,163.20/132,688.80 = 53,719.20/x
  3. Step 3: Cross multiply
    96,163.20x = 132,688.80 × 53,719.20
  4. Step 4: Simplify right side
    96,163.20x = 7,127,936,184.96
  5. Step 5: Solve for x
    x = 7,127,936,184.96/96,163.20
  6. Step 6: Final answer
    x = 74,123.33

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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.