Home / 65,788.20-98,552.70-61,122.60

Finding the Fourth Proportional to 65,788.20, 98,552.70 and 61,122.60

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Solution

The fourth proportional to 65,788.20, 98,552.70 and 61,122.60 is: 91,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,788.20 : 98,552.70 = 61,122.60 : x
  2. Step 2: Convert to fraction form
    65,788.20/98,552.70 = 61,122.60/x
  3. Step 3: Cross multiply
    65,788.20x = 98,552.70 × 61,122.60
  4. Step 4: Simplify right side
    65,788.20x = 6,023,797,261.02
  5. Step 5: Solve for x
    x = 6,023,797,261.02/65,788.20
  6. Step 6: Final answer
    x = 91,563.49

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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.