Home / 80,487.36-111,060.72-44,677.64

Finding the Fourth Proportional to 80,487.36, 111,060.72 and 44,677.64

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Solution

The fourth proportional to 80,487.36, 111,060.72 and 44,677.64 is: 61,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,487.36 : 111,060.72 = 44,677.64 : x
  2. Step 2: Convert to fraction form
    80,487.36/111,060.72 = 44,677.64/x
  3. Step 3: Cross multiply
    80,487.36x = 111,060.72 × 44,677.64
  4. Step 4: Simplify right side
    80,487.36x = 4,961,930,866.30
  5. Step 5: Solve for x
    x = 4,961,930,866.30/80,487.36
  6. Step 6: Final answer
    x = 61,648.57

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1.5x scale

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.