Home / 74,136.60-111,212.46-27,378.54

Finding the Fourth Proportional to 74,136.60, 111,212.46 and 27,378.54

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Solution

The fourth proportional to 74,136.60, 111,212.46 and 27,378.54 is: 41,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,136.60 : 111,212.46 = 27,378.54 : x
  2. Step 2: Convert to fraction form
    74,136.60/111,212.46 = 27,378.54/x
  3. Step 3: Cross multiply
    74,136.60x = 111,212.46 × 27,378.54
  4. Step 4: Simplify right side
    74,136.60x = 3,044,834,784.61
  5. Step 5: Solve for x
    x = 3,044,834,784.61/74,136.60
  6. Step 6: Final answer
    x = 41,070.60

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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.