Home / 65,110.20-97,859.70-56,556.60

Finding the Fourth Proportional to 65,110.20, 97,859.70 and 56,556.60

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Solution

The fourth proportional to 65,110.20, 97,859.70 and 56,556.60 is: 85,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.20 : 97,859.70 = 56,556.60 : x
  2. Step 2: Convert to fraction form
    65,110.20/97,859.70 = 56,556.60/x
  3. Step 3: Cross multiply
    65,110.20x = 97,859.70 × 56,556.60
  4. Step 4: Simplify right side
    65,110.20x = 5,534,611,909.02
  5. Step 5: Solve for x
    x = 5,534,611,909.02/65,110.20
  6. Step 6: Final answer
    x = 85,003.76

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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.