Home / 76,830.75-106,026.44-41,502.75

Finding the Fourth Proportional to 76,830.75, 106,026.44 and 41,502.75

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Solution

The fourth proportional to 76,830.75, 106,026.44 and 41,502.75 is: 57,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,830.75 : 106,026.44 = 41,502.75 : x
  2. Step 2: Convert to fraction form
    76,830.75/106,026.44 = 41,502.75/x
  3. Step 3: Cross multiply
    76,830.75x = 106,026.44 × 41,502.75
  4. Step 4: Simplify right side
    76,830.75x = 4,400,388,832.71
  5. Step 5: Solve for x
    x = 4,400,388,832.71/76,830.75
  6. Step 6: Final answer
    x = 57,273.80

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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.