Home / 104,249.27-143,860.10-56,501.60

Finding the Fourth Proportional to 104,249.27, 143,860.10 and 56,501.60

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Solution

The fourth proportional to 104,249.27, 143,860.10 and 56,501.60 is: 77,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,249.27 : 143,860.10 = 56,501.60 : x
  2. Step 2: Convert to fraction form
    104,249.27/143,860.10 = 56,501.60/x
  3. Step 3: Cross multiply
    104,249.27x = 143,860.10 × 56,501.60
  4. Step 4: Simplify right side
    104,249.27x = 8,128,324,824.35
  5. Step 5: Solve for x
    x = 8,128,324,824.35/104,249.27
  6. Step 6: Final answer
    x = 77,970.09

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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.