Home / 84,238.79-116,249.46-48,435.80

Finding the Fourth Proportional to 84,238.79, 116,249.46 and 48,435.80

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Solution

The fourth proportional to 84,238.79, 116,249.46 and 48,435.80 is: 66,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.79 : 116,249.46 = 48,435.80 : x
  2. Step 2: Convert to fraction form
    84,238.79/116,249.46 = 48,435.80/x
  3. Step 3: Cross multiply
    84,238.79x = 116,249.46 × 48,435.80
  4. Step 4: Simplify right side
    84,238.79x = 5,630,635,594.67
  5. Step 5: Solve for x
    x = 5,630,635,594.67/84,238.79
  6. Step 6: Final answer
    x = 66,841.36

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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.