Home / 104,289.32-143,922.09-58,974.08

Finding the Fourth Proportional to 104,289.32, 143,922.09 and 58,974.08

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Solution

The fourth proportional to 104,289.32, 143,922.09 and 58,974.08 is: 81,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,289.32 : 143,922.09 = 58,974.08 : x
  2. Step 2: Convert to fraction form
    104,289.32/143,922.09 = 58,974.08/x
  3. Step 3: Cross multiply
    104,289.32x = 143,922.09 × 58,974.08
  4. Step 4: Simplify right side
    104,289.32x = 8,487,673,160.53
  5. Step 5: Solve for x
    x = 8,487,673,160.53/104,289.32
  6. Step 6: Final answer
    x = 81,385.83

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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.