Home / 49,105.95-67,750.05-28,683.32

Finding the Fourth Proportional to 49,105.95, 67,750.05 and 28,683.32

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Solution

The fourth proportional to 49,105.95, 67,750.05 and 28,683.32 is: 39,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,105.95 : 67,750.05 = 28,683.32 : x
  2. Step 2: Convert to fraction form
    49,105.95/67,750.05 = 28,683.32/x
  3. Step 3: Cross multiply
    49,105.95x = 67,750.05 × 28,683.32
  4. Step 4: Simplify right side
    49,105.95x = 1,943,296,025.42
  5. Step 5: Solve for x
    x = 1,943,296,025.42/49,105.95
  6. Step 6: Final answer
    x = 39,573.53

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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.