Home / 104,266.39-143,887.79-56,519.84

Finding the Fourth Proportional to 104,266.39, 143,887.79 and 56,519.84

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Solution

The fourth proportional to 104,266.39, 143,887.79 and 56,519.84 is: 77,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.39 : 143,887.79 = 56,519.84 : x
  2. Step 2: Convert to fraction form
    104,266.39/143,887.79 = 56,519.84/x
  3. Step 3: Cross multiply
    104,266.39x = 143,887.79 × 56,519.84
  4. Step 4: Simplify right side
    104,266.39x = 8,132,515,369.77
  5. Step 5: Solve for x
    x = 8,132,515,369.77/104,266.39
  6. Step 6: Final answer
    x = 77,997.48

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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.