Home / 80,480.35-111,051.06-44,670.64

Finding the Fourth Proportional to 80,480.35, 111,051.06 and 44,670.64

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Solution

The fourth proportional to 80,480.35, 111,051.06 and 44,670.64 is: 61,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,480.35 : 111,051.06 = 44,670.64 : x
  2. Step 2: Convert to fraction form
    80,480.35/111,051.06 = 44,670.64/x
  3. Step 3: Cross multiply
    80,480.35x = 111,051.06 × 44,670.64
  4. Step 4: Simplify right side
    80,480.35x = 4,960,721,922.88
  5. Step 5: Solve for x
    x = 4,960,721,922.88/80,480.35
  6. Step 6: Final answer
    x = 61,638.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.