Home / 65,022.36-97,538.22-31,770.12

Finding the Fourth Proportional to 65,022.36, 97,538.22 and 31,770.12

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Solution

The fourth proportional to 65,022.36, 97,538.22 and 31,770.12 is: 47,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,022.36 : 97,538.22 = 31,770.12 : x
  2. Step 2: Convert to fraction form
    65,022.36/97,538.22 = 31,770.12/x
  3. Step 3: Cross multiply
    65,022.36x = 97,538.22 × 31,770.12
  4. Step 4: Simplify right side
    65,022.36x = 3,098,800,953.99
  5. Step 5: Solve for x
    x = 3,098,800,953.99/65,022.36
  6. Step 6: Final answer
    x = 47,657.47

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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.