Home / 64,106.32-96,164.28-19,763.92

Finding the Fourth Proportional to 64,106.32, 96,164.28 and 19,763.92

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Solution

The fourth proportional to 64,106.32, 96,164.28 and 19,763.92 is: 29,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,106.32 : 96,164.28 = 19,763.92 : x
  2. Step 2: Convert to fraction form
    64,106.32/96,164.28 = 19,763.92/x
  3. Step 3: Cross multiply
    64,106.32x = 96,164.28 × 19,763.92
  4. Step 4: Simplify right side
    64,106.32x = 1,900,583,136.78
  5. Step 5: Solve for x
    x = 1,900,583,136.78/64,106.32
  6. Step 6: Final answer
    x = 29,647.36

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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.