Home / 79,067.20-109,116.48-46,803.20

Finding the Fourth Proportional to 79,067.20, 109,116.48 and 46,803.20

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Solution

The fourth proportional to 79,067.20, 109,116.48 and 46,803.20 is: 64,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,067.20 : 109,116.48 = 46,803.20 : x
  2. Step 2: Convert to fraction form
    79,067.20/109,116.48 = 46,803.20/x
  3. Step 3: Cross multiply
    79,067.20x = 109,116.48 × 46,803.20
  4. Step 4: Simplify right side
    79,067.20x = 5,107,000,436.74
  5. Step 5: Solve for x
    x = 5,107,000,436.74/79,067.20
  6. Step 6: Final answer
    x = 64,590.63

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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.