Home / 64,785.45-97,190.42-25,340.07

Finding the Fourth Proportional to 64,785.45, 97,190.42 and 25,340.07

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Solution

The fourth proportional to 64,785.45, 97,190.42 and 25,340.07 is: 38,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,785.45 : 97,190.42 = 25,340.07 : x
  2. Step 2: Convert to fraction form
    64,785.45/97,190.42 = 25,340.07/x
  3. Step 3: Cross multiply
    64,785.45x = 97,190.42 × 25,340.07
  4. Step 4: Simplify right side
    64,785.45x = 2,462,811,919.43
  5. Step 5: Solve for x
    x = 2,462,811,919.43/64,785.45
  6. Step 6: Final answer
    x = 38,014.89

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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.