Home / 76,629.54-105,747.75-43,095.54

Finding the Fourth Proportional to 76,629.54, 105,747.75 and 43,095.54

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Solution

The fourth proportional to 76,629.54, 105,747.75 and 43,095.54 is: 59,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629.54 : 105,747.75 = 43,095.54 : x
  2. Step 2: Convert to fraction form
    76,629.54/105,747.75 = 43,095.54/x
  3. Step 3: Cross multiply
    76,629.54x = 105,747.75 × 43,095.54
  4. Step 4: Simplify right side
    76,629.54x = 4,557,256,390.04
  5. Step 5: Solve for x
    x = 4,557,256,390.04/76,629.54
  6. Step 6: Final answer
    x = 59,471.27

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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.