Home / 65,110.16-97,659.88-20,735.12

Finding the Fourth Proportional to 65,110.16, 97,659.88 and 20,735.12

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Solution

The fourth proportional to 65,110.16, 97,659.88 and 20,735.12 is: 31,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.16 : 97,659.88 = 20,735.12 : x
  2. Step 2: Convert to fraction form
    65,110.16/97,659.88 = 20,735.12/x
  3. Step 3: Cross multiply
    65,110.16x = 97,659.88 × 20,735.12
  4. Step 4: Simplify right side
    65,110.16x = 2,024,989,330.99
  5. Step 5: Solve for x
    x = 2,024,989,330.99/65,110.16
  6. Step 6: Final answer
    x = 31,100.97

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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.