Home / 74,095.72-111,183.90-40,774.12

Finding the Fourth Proportional to 74,095.72, 111,183.90 and 40,774.12

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Solution

The fourth proportional to 74,095.72, 111,183.90 and 40,774.12 is: 61,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,095.72 : 111,183.90 = 40,774.12 : x
  2. Step 2: Convert to fraction form
    74,095.72/111,183.90 = 40,774.12/x
  3. Step 3: Cross multiply
    74,095.72x = 111,183.90 × 40,774.12
  4. Step 4: Simplify right side
    74,095.72x = 4,533,425,680.67
  5. Step 5: Solve for x
    x = 4,533,425,680.67/74,095.72
  6. Step 6: Final answer
    x = 61,183.37

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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.