Home / 53,735.10-80,618.76-21,697.68

Finding the Fourth Proportional to 53,735.10, 80,618.76 and 21,697.68

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Solution

The fourth proportional to 53,735.10, 80,618.76 and 21,697.68 is: 32,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,735.10 : 80,618.76 = 21,697.68 : x
  2. Step 2: Convert to fraction form
    53,735.10/80,618.76 = 21,697.68/x
  3. Step 3: Cross multiply
    53,735.10x = 80,618.76 × 21,697.68
  4. Step 4: Simplify right side
    53,735.10x = 1,749,240,056.48
  5. Step 5: Solve for x
    x = 1,749,240,056.48/53,735.10
  6. Step 6: Final answer
    x = 32,553.03

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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.