Home / 43,765.49-65,591.12-20,064.48

Finding the Fourth Proportional to 43,765.49, 65,591.12 and 20,064.48

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Solution

The fourth proportional to 43,765.49, 65,591.12 and 20,064.48 is: 30,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,765.49 : 65,591.12 = 20,064.48 : x
  2. Step 2: Convert to fraction form
    43,765.49/65,591.12 = 20,064.48/x
  3. Step 3: Cross multiply
    43,765.49x = 65,591.12 × 20,064.48
  4. Step 4: Simplify right side
    43,765.49x = 1,316,051,615.10
  5. Step 5: Solve for x
    x = 1,316,051,615.10/43,765.49
  6. Step 6: Final answer
    x = 30,070.54

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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.