Home / 96,139.29-132,674.88-53,121.54

Finding the Fourth Proportional to 96,139.29, 132,674.88 and 53,121.54

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Solution

The fourth proportional to 96,139.29, 132,674.88 and 53,121.54 is: 73,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,139.29 : 132,674.88 = 53,121.54 : x
  2. Step 2: Convert to fraction form
    96,139.29/132,674.88 = 53,121.54/x
  3. Step 3: Cross multiply
    96,139.29x = 132,674.88 × 53,121.54
  4. Step 4: Simplify right side
    96,139.29x = 7,047,893,944.92
  5. Step 5: Solve for x
    x = 7,047,893,944.92/96,139.29
  6. Step 6: Final answer
    x = 73,309.19

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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.