Home / 65,153.26-97,730.28-18,406.54

Finding the Fourth Proportional to 65,153.26, 97,730.28 and 18,406.54

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Solution

The fourth proportional to 65,153.26, 97,730.28 and 18,406.54 is: 27,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,153.26 : 97,730.28 = 18,406.54 : x
  2. Step 2: Convert to fraction form
    65,153.26/97,730.28 = 18,406.54/x
  3. Step 3: Cross multiply
    65,153.26x = 97,730.28 × 18,406.54
  4. Step 4: Simplify right side
    65,153.26x = 1,798,876,308.03
  5. Step 5: Solve for x
    x = 1,798,876,308.03/65,153.26
  6. Step 6: Final answer
    x = 27,609.92

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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.