Home / 64,587.32-96,882.82-17,840.20

Finding the Fourth Proportional to 64,587.32, 96,882.82 and 17,840.20

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Solution

The fourth proportional to 64,587.32, 96,882.82 and 17,840.20 is: 26,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,587.32 : 96,882.82 = 17,840.20 : x
  2. Step 2: Convert to fraction form
    64,587.32/96,882.82 = 17,840.20/x
  3. Step 3: Cross multiply
    64,587.32x = 96,882.82 × 17,840.20
  4. Step 4: Simplify right side
    64,587.32x = 1,728,408,885.36
  5. Step 5: Solve for x
    x = 1,728,408,885.36/64,587.32
  6. Step 6: Final answer
    x = 26,760.81

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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.