Home / 63,442.08-95,164.67-21,322.78

Finding the Fourth Proportional to 63,442.08, 95,164.67 and 21,322.78

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Solution

The fourth proportional to 63,442.08, 95,164.67 and 21,322.78 is: 31,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,442.08 : 95,164.67 = 21,322.78 : x
  2. Step 2: Convert to fraction form
    63,442.08/95,164.67 = 21,322.78/x
  3. Step 3: Cross multiply
    63,442.08x = 95,164.67 × 21,322.78
  4. Step 4: Simplify right side
    63,442.08x = 2,029,175,322.18
  5. Step 5: Solve for x
    x = 2,029,175,322.18/63,442.08
  6. Step 6: Final answer
    x = 31,984.69

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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.