Home / 76,142.91-114,221.97-26,216.40

Finding the Fourth Proportional to 76,142.91, 114,221.97 and 26,216.40

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Solution

The fourth proportional to 76,142.91, 114,221.97 and 26,216.40 is: 39,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,142.91 : 114,221.97 = 26,216.40 : x
  2. Step 2: Convert to fraction form
    76,142.91/114,221.97 = 26,216.40/x
  3. Step 3: Cross multiply
    76,142.91x = 114,221.97 × 26,216.40
  4. Step 4: Simplify right side
    76,142.91x = 2,994,488,854.31
  5. Step 5: Solve for x
    x = 2,994,488,854.31/76,142.91
  6. Step 6: Final answer
    x = 39,327.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.