Home / 74,136.58-111,094.86-38,969.62

Finding the Fourth Proportional to 74,136.58, 111,094.86 and 38,969.62

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Solution

The fourth proportional to 74,136.58, 111,094.86 and 38,969.62 is: 58,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,136.58 : 111,094.86 = 38,969.62 : x
  2. Step 2: Convert to fraction form
    74,136.58/111,094.86 = 38,969.62/x
  3. Step 3: Cross multiply
    74,136.58x = 111,094.86 × 38,969.62
  4. Step 4: Simplify right side
    74,136.58x = 4,329,324,478.15
  5. Step 5: Solve for x
    x = 4,329,324,478.15/74,136.58
  6. Step 6: Final answer
    x = 58,396.60

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1.5x scale

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.