Home / 76,107.90-105,024.06-41,645.64

Finding the Fourth Proportional to 76,107.90, 105,024.06 and 41,645.64

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Solution

The fourth proportional to 76,107.90, 105,024.06 and 41,645.64 is: 57,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,107.90 : 105,024.06 = 41,645.64 : x
  2. Step 2: Convert to fraction form
    76,107.90/105,024.06 = 41,645.64/x
  3. Step 3: Cross multiply
    76,107.90x = 105,024.06 × 41,645.64
  4. Step 4: Simplify right side
    76,107.90x = 4,373,794,194.10
  5. Step 5: Solve for x
    x = 4,373,794,194.10/76,107.90
  6. Step 6: Final answer
    x = 57,468.33

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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.