Home / 64,703.21-97,064.37-33,131.12

Finding the Fourth Proportional to 64,703.21, 97,064.37 and 33,131.12

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Solution

The fourth proportional to 64,703.21, 97,064.37 and 33,131.12 is: 49,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,703.21 : 97,064.37 = 33,131.12 : x
  2. Step 2: Convert to fraction form
    64,703.21/97,064.37 = 33,131.12/x
  3. Step 3: Cross multiply
    64,703.21x = 97,064.37 × 33,131.12
  4. Step 4: Simplify right side
    64,703.21x = 3,215,850,804.87
  5. Step 5: Solve for x
    x = 3,215,850,804.87/64,703.21
  6. Step 6: Final answer
    x = 49,701.57

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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.