Home / 49,762.22-74,642.85-20,173.02

Finding the Fourth Proportional to 49,762.22, 74,642.85 and 20,173.02

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Solution

The fourth proportional to 49,762.22, 74,642.85 and 20,173.02 is: 30,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762.22 : 74,642.85 = 20,173.02 : x
  2. Step 2: Convert to fraction form
    49,762.22/74,642.85 = 20,173.02/x
  3. Step 3: Cross multiply
    49,762.22x = 74,642.85 × 20,173.02
  4. Step 4: Simplify right side
    49,762.22x = 1,505,771,426.00
  5. Step 5: Solve for x
    x = 1,505,771,426.00/49,762.22
  6. Step 6: Final answer
    x = 30,259.33

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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.