Home / 103,974.44-143,484.64-56,227.40

Finding the Fourth Proportional to 103,974.44, 143,484.64 and 56,227.40

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Solution

The fourth proportional to 103,974.44, 143,484.64 and 56,227.40 is: 77,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.44 : 143,484.64 = 56,227.40 : x
  2. Step 2: Convert to fraction form
    103,974.44/143,484.64 = 56,227.40/x
  3. Step 3: Cross multiply
    103,974.44x = 143,484.64 × 56,227.40
  4. Step 4: Simplify right side
    103,974.44x = 8,067,768,247.14
  5. Step 5: Solve for x
    x = 8,067,768,247.14/103,974.44
  6. Step 6: Final answer
    x = 77,593.76

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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.