Home / 65,028.74-97,543.11-18,281.61

Finding the Fourth Proportional to 65,028.74, 97,543.11 and 18,281.61

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Solution

The fourth proportional to 65,028.74, 97,543.11 and 18,281.61 is: 27,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.74 : 97,543.11 = 18,281.61 : x
  2. Step 2: Convert to fraction form
    65,028.74/97,543.11 = 18,281.61/x
  3. Step 3: Cross multiply
    65,028.74x = 97,543.11 × 18,281.61
  4. Step 4: Simplify right side
    65,028.74x = 1,783,245,095.21
  5. Step 5: Solve for x
    x = 1,783,245,095.21/65,028.74
  6. Step 6: Final answer
    x = 27,422.42

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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.