Home / 63,445.08-95,178.60-21,329.28

Finding the Fourth Proportional to 63,445.08, 95,178.60 and 21,329.28

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Solution

The fourth proportional to 63,445.08, 95,178.60 and 21,329.28 is: 31,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,445.08 : 95,178.60 = 21,329.28 : x
  2. Step 2: Convert to fraction form
    63,445.08/95,178.60 = 21,329.28/x
  3. Step 3: Cross multiply
    63,445.08x = 95,178.60 × 21,329.28
  4. Step 4: Simplify right side
    63,445.08x = 2,030,091,009.41
  5. Step 5: Solve for x
    x = 2,030,091,009.41/63,445.08
  6. Step 6: Final answer
    x = 31,997.61

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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.