Home / 104,215.58-143,841.10-58,919.76

Finding the Fourth Proportional to 104,215.58, 143,841.10 and 58,919.76

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Solution

The fourth proportional to 104,215.58, 143,841.10 and 58,919.76 is: 81,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,215.58 : 143,841.10 = 58,919.76 : x
  2. Step 2: Convert to fraction form
    104,215.58/143,841.10 = 58,919.76/x
  3. Step 3: Cross multiply
    104,215.58x = 143,841.10 × 58,919.76
  4. Step 4: Simplify right side
    104,215.58x = 8,475,083,090.14
  5. Step 5: Solve for x
    x = 8,475,083,090.14/104,215.58
  6. Step 6: Final answer
    x = 81,322.61

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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.