Home / 104,347.35-143,998.83-58,407.21

Finding the Fourth Proportional to 104,347.35, 143,998.83 and 58,407.21

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Solution

The fourth proportional to 104,347.35, 143,998.83 and 58,407.21 is: 80,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,347.35 : 143,998.83 = 58,407.21 : x
  2. Step 2: Convert to fraction form
    104,347.35/143,998.83 = 58,407.21/x
  3. Step 3: Cross multiply
    104,347.35x = 143,998.83 × 58,407.21
  4. Step 4: Simplify right side
    104,347.35x = 8,410,569,903.56
  5. Step 5: Solve for x
    x = 8,410,569,903.56/104,347.35
  6. Step 6: Final answer
    x = 80,601.66

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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.