Home / 74,135.58-111,093.36-38,968.62

Finding the Fourth Proportional to 74,135.58, 111,093.36 and 38,968.62

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Solution

The fourth proportional to 74,135.58, 111,093.36 and 38,968.62 is: 58,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,135.58 : 111,093.36 = 38,968.62 : x
  2. Step 2: Convert to fraction form
    74,135.58/111,093.36 = 38,968.62/x
  3. Step 3: Cross multiply
    74,135.58x = 111,093.36 × 38,968.62
  4. Step 4: Simplify right side
    74,135.58x = 4,329,154,930.36
  5. Step 5: Solve for x
    x = 4,329,154,930.36/74,135.58
  6. Step 6: Final answer
    x = 58,395.10

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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.