Home / 77,745.56-116,635.32-25,160.36

Finding the Fourth Proportional to 77,745.56, 116,635.32 and 25,160.36

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Solution

The fourth proportional to 77,745.56, 116,635.32 and 25,160.36 is: 37,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,745.56 : 116,635.32 = 25,160.36 : x
  2. Step 2: Convert to fraction form
    77,745.56/116,635.32 = 25,160.36/x
  3. Step 3: Cross multiply
    77,745.56x = 116,635.32 × 25,160.36
  4. Step 4: Simplify right side
    77,745.56x = 2,934,586,639.92
  5. Step 5: Solve for x
    x = 2,934,586,639.92/77,745.56
  6. Step 6: Final answer
    x = 37,746.04

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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.