Home / 49,720.96-74,581.44-40,937.42

Finding the Fourth Proportional to 49,720.96, 74,581.44 and 40,937.42

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Solution

The fourth proportional to 49,720.96, 74,581.44 and 40,937.42 is: 61,406.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720.96 : 74,581.44 = 40,937.42 : x
  2. Step 2: Convert to fraction form
    49,720.96/74,581.44 = 40,937.42/x
  3. Step 3: Cross multiply
    49,720.96x = 74,581.44 × 40,937.42
  4. Step 4: Simplify right side
    49,720.96x = 3,053,171,155.89
  5. Step 5: Solve for x
    x = 3,053,171,155.89/49,720.96
  6. Step 6: Final answer
    x = 61,406.12

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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.