Home / 76,910.16-106,135.72-41,582.16

Finding the Fourth Proportional to 76,910.16, 106,135.72 and 41,582.16

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Solution

The fourth proportional to 76,910.16, 106,135.72 and 41,582.16 is: 57,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,910.16 : 106,135.72 = 41,582.16 : x
  2. Step 2: Convert to fraction form
    76,910.16/106,135.72 = 41,582.16/x
  3. Step 3: Cross multiply
    76,910.16x = 106,135.72 × 41,582.16
  4. Step 4: Simplify right side
    76,910.16x = 4,413,352,490.76
  5. Step 5: Solve for x
    x = 4,413,352,490.76/76,910.16
  6. Step 6: Final answer
    x = 57,383.22

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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.