Home / 49,419.89-68,196.74-28,999.22

Finding the Fourth Proportional to 49,419.89, 68,196.74 and 28,999.22

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Solution

The fourth proportional to 49,419.89, 68,196.74 and 28,999.22 is: 40,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,419.89 : 68,196.74 = 28,999.22 : x
  2. Step 2: Convert to fraction form
    49,419.89/68,196.74 = 28,999.22/x
  3. Step 3: Cross multiply
    49,419.89x = 68,196.74 × 28,999.22
  4. Step 4: Simplify right side
    49,419.89x = 1,977,652,025.24
  5. Step 5: Solve for x
    x = 1,977,652,025.24/49,419.89
  6. Step 6: Final answer
    x = 40,017.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.