Home / 64,168.40-96,252.00-17,421.28

Finding the Fourth Proportional to 64,168.40, 96,252.00 and 17,421.28

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Solution

The fourth proportional to 64,168.40, 96,252.00 and 17,421.28 is: 26,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.40 : 96,252.00 = 17,421.28 : x
  2. Step 2: Convert to fraction form
    64,168.40/96,252.00 = 17,421.28/x
  3. Step 3: Cross multiply
    64,168.40x = 96,252.00 × 17,421.28
  4. Step 4: Simplify right side
    64,168.40x = 1,676,832,736.60
  5. Step 5: Solve for x
    x = 1,676,832,736.60/64,168.40
  6. Step 6: Final answer
    x = 26,131.75

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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.