Home / 49,416.99-74,125.63-11,976.91

Finding the Fourth Proportional to 49,416.99, 74,125.63 and 11,976.91

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Solution

The fourth proportional to 49,416.99, 74,125.63 and 11,976.91 is: 17,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,416.99 : 74,125.63 = 11,976.91 : x
  2. Step 2: Convert to fraction form
    49,416.99/74,125.63 = 11,976.91/x
  3. Step 3: Cross multiply
    49,416.99x = 74,125.63 × 11,976.91
  4. Step 4: Simplify right side
    49,416.99x = 887,796,245.82
  5. Step 5: Solve for x
    x = 887,796,245.82/49,416.99
  6. Step 6: Final answer
    x = 17,965.41

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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.