Home / 86,039.43-129,064.83-22,858.68

Finding the Fourth Proportional to 86,039.43, 129,064.83 and 22,858.68

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Solution

The fourth proportional to 86,039.43, 129,064.83 and 22,858.68 is: 34,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.43 : 129,064.83 = 22,858.68 : x
  2. Step 2: Convert to fraction form
    86,039.43/129,064.83 = 22,858.68/x
  3. Step 3: Cross multiply
    86,039.43x = 129,064.83 × 22,858.68
  4. Step 4: Simplify right side
    86,039.43x = 2,950,251,648.22
  5. Step 5: Solve for x
    x = 2,950,251,648.22/86,039.43
  6. Step 6: Final answer
    x = 34,289.53

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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.