Home / 74,136.60-102,189.60-58,194.18

Finding the Fourth Proportional to 74,136.60, 102,189.60 and 58,194.18

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Solution

The fourth proportional to 74,136.60, 102,189.60 and 58,194.18 is: 80,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,136.60 : 102,189.60 = 58,194.18 : x
  2. Step 2: Convert to fraction form
    74,136.60/102,189.60 = 58,194.18/x
  3. Step 3: Cross multiply
    74,136.60x = 102,189.60 × 58,194.18
  4. Step 4: Simplify right side
    74,136.60x = 5,946,839,976.53
  5. Step 5: Solve for x
    x = 5,946,839,976.53/74,136.60
  6. Step 6: Final answer
    x = 80,214.63

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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.