Home / 65,821.96-98,503.26-53,837.20

Finding the Fourth Proportional to 65,821.96, 98,503.26 and 53,837.20

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Solution

The fourth proportional to 65,821.96, 98,503.26 and 53,837.20 is: 80,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,821.96 : 98,503.26 = 53,837.20 : x
  2. Step 2: Convert to fraction form
    65,821.96/98,503.26 = 53,837.20/x
  3. Step 3: Cross multiply
    65,821.96x = 98,503.26 × 53,837.20
  4. Step 4: Simplify right side
    65,821.96x = 5,303,139,709.27
  5. Step 5: Solve for x
    x = 5,303,139,709.27/65,821.96
  6. Step 6: Final answer
    x = 80,567.94

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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.