Home / 55,357.92-83,037.56-15,915.38

Finding the Fourth Proportional to 55,357.92, 83,037.56 and 15,915.38

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Solution

The fourth proportional to 55,357.92, 83,037.56 and 15,915.38 is: 23,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,357.92 : 83,037.56 = 15,915.38 : x
  2. Step 2: Convert to fraction form
    55,357.92/83,037.56 = 15,915.38/x
  3. Step 3: Cross multiply
    55,357.92x = 83,037.56 × 15,915.38
  4. Step 4: Simplify right side
    55,357.92x = 1,321,573,826.91
  5. Step 5: Solve for x
    x = 1,321,573,826.91/55,357.92
  6. Step 6: Final answer
    x = 23,873.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.