Home / 86,098.24-128,906.79-46,513.54

Finding the Fourth Proportional to 86,098.24, 128,906.79 and 46,513.54

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Solution

The fourth proportional to 86,098.24, 128,906.79 and 46,513.54 is: 69,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098.24 : 128,906.79 = 46,513.54 : x
  2. Step 2: Convert to fraction form
    86,098.24/128,906.79 = 46,513.54/x
  3. Step 3: Cross multiply
    86,098.24x = 128,906.79 × 46,513.54
  4. Step 4: Simplify right side
    86,098.24x = 5,995,911,132.94
  5. Step 5: Solve for x
    x = 5,995,911,132.94/86,098.24
  6. Step 6: Final answer
    x = 69,640.34

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1.5x scale

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.