Home / 49,820.68-74,750.46-28,749.59

Finding the Fourth Proportional to 49,820.68, 74,750.46 and 28,749.59

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Solution

The fourth proportional to 49,820.68, 74,750.46 and 28,749.59 is: 43,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.68 : 74,750.46 = 28,749.59 : x
  2. Step 2: Convert to fraction form
    49,820.68/74,750.46 = 28,749.59/x
  3. Step 3: Cross multiply
    49,820.68x = 74,750.46 × 28,749.59
  4. Step 4: Simplify right side
    49,820.68x = 2,149,045,077.31
  5. Step 5: Solve for x
    x = 2,149,045,077.31/49,820.68
  6. Step 6: Final answer
    x = 43,135.60

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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.