Home / 96,318.87-132,912.79-53,869.20

Finding the Fourth Proportional to 96,318.87, 132,912.79 and 53,869.20

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Solution

The fourth proportional to 96,318.87, 132,912.79 and 53,869.20 is: 74,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,318.87 : 132,912.79 = 53,869.20 : x
  2. Step 2: Convert to fraction form
    96,318.87/132,912.79 = 53,869.20/x
  3. Step 3: Cross multiply
    96,318.87x = 132,912.79 × 53,869.20
  4. Step 4: Simplify right side
    96,318.87x = 7,159,905,667.07
  5. Step 5: Solve for x
    x = 7,159,905,667.07/96,318.87
  6. Step 6: Final answer
    x = 74,335.44

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1.5x scale

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.