Home / 75,445.48-104,103.20-43,608.24

Finding the Fourth Proportional to 75,445.48, 104,103.20 and 43,608.24

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Solution

The fourth proportional to 75,445.48, 104,103.20 and 43,608.24 is: 60,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.48 : 104,103.20 = 43,608.24 : x
  2. Step 2: Convert to fraction form
    75,445.48/104,103.20 = 43,608.24/x
  3. Step 3: Cross multiply
    75,445.48x = 104,103.20 × 43,608.24
  4. Step 4: Simplify right side
    75,445.48x = 4,539,757,330.37
  5. Step 5: Solve for x
    x = 4,539,757,330.37/75,445.48
  6. Step 6: Final answer
    x = 60,172.69

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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.