Home / 64,449.24-96,670-38,320.26

Finding the Fourth Proportional to 64,449.24, 96,670 and 38,320.26

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Solution

The fourth proportional to 64,449.24, 96,670 and 38,320.26 is: 57,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,449.24 : 96,670 = 38,320.26 : x
  2. Step 2: Convert to fraction form
    64,449.24/96,670 = 38,320.26/x
  3. Step 3: Cross multiply
    64,449.24x = 96,670 × 38,320.26
  4. Step 4: Simplify right side
    64,449.24x = 3,704,419,534.20
  5. Step 5: Solve for x
    x = 3,704,419,534.20/64,449.24
  6. Step 6: Final answer
    x = 57,478.09

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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.