Home / 76,917.09-106,150.91-42,932.19

Finding the Fourth Proportional to 76,917.09, 106,150.91 and 42,932.19

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Solution

The fourth proportional to 76,917.09, 106,150.91 and 42,932.19 is: 59,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,917.09 : 106,150.91 = 42,932.19 : x
  2. Step 2: Convert to fraction form
    76,917.09/106,150.91 = 42,932.19/x
  3. Step 3: Cross multiply
    76,917.09x = 106,150.91 × 42,932.19
  4. Step 4: Simplify right side
    76,917.09x = 4,557,291,582.44
  5. Step 5: Solve for x
    x = 4,557,291,582.44/76,917.09
  6. Step 6: Final answer
    x = 59,249.40

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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.