Home / 107,136.84-160,735.35-39,667.86

Finding the Fourth Proportional to 107,136.84, 160,735.35 and 39,667.86

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Solution

The fourth proportional to 107,136.84, 160,735.35 and 39,667.86 is: 59,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,136.84 : 160,735.35 = 39,667.86 : x
  2. Step 2: Convert to fraction form
    107,136.84/160,735.35 = 39,667.86/x
  3. Step 3: Cross multiply
    107,136.84x = 160,735.35 × 39,667.86
  4. Step 4: Simplify right side
    107,136.84x = 6,376,027,360.85
  5. Step 5: Solve for x
    x = 6,376,027,360.85/107,136.84
  6. Step 6: Final answer
    x = 59,512.93

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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.