Home / 65,734.50-98,552.55-21,334.77

Finding the Fourth Proportional to 65,734.50, 98,552.55 and 21,334.77

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Solution

The fourth proportional to 65,734.50, 98,552.55 and 21,334.77 is: 31,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,734.50 : 98,552.55 = 21,334.77 : x
  2. Step 2: Convert to fraction form
    65,734.50/98,552.55 = 21,334.77/x
  3. Step 3: Cross multiply
    65,734.50x = 98,552.55 × 21,334.77
  4. Step 4: Simplify right side
    65,734.50x = 2,102,595,987.16
  5. Step 5: Solve for x
    x = 2,102,595,987.16/65,734.50
  6. Step 6: Final answer
    x = 31,986.19

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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.