Home / 65,573.34-98,360.04-28,109.22

Finding the Fourth Proportional to 65,573.34, 98,360.04 and 28,109.22

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Solution

The fourth proportional to 65,573.34, 98,360.04 and 28,109.22 is: 42,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,573.34 : 98,360.04 = 28,109.22 : x
  2. Step 2: Convert to fraction form
    65,573.34/98,360.04 = 28,109.22/x
  3. Step 3: Cross multiply
    65,573.34x = 98,360.04 × 28,109.22
  4. Step 4: Simplify right side
    65,573.34x = 2,764,824,003.57
  5. Step 5: Solve for x
    x = 2,764,824,003.57/65,573.34
  6. Step 6: Final answer
    x = 42,163.84

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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.