Home / 76,108.90-105,025.44-41,646.64

Finding the Fourth Proportional to 76,108.90, 105,025.44 and 41,646.64

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Solution

The fourth proportional to 76,108.90, 105,025.44 and 41,646.64 is: 57,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,108.90 : 105,025.44 = 41,646.64 : x
  2. Step 2: Convert to fraction form
    76,108.90/105,025.44 = 41,646.64/x
  3. Step 3: Cross multiply
    76,108.90x = 105,025.44 × 41,646.64
  4. Step 4: Simplify right side
    76,108.90x = 4,373,956,690.52
  5. Step 5: Solve for x
    x = 4,373,956,690.52/76,108.90
  6. Step 6: Final answer
    x = 57,469.71

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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.