Home / 80,511.36-111,108.56-44,701.92

Finding the Fourth Proportional to 80,511.36, 111,108.56 and 44,701.92

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Solution

The fourth proportional to 80,511.36, 111,108.56 and 44,701.92 is: 61,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,511.36 : 111,108.56 = 44,701.92 : x
  2. Step 2: Convert to fraction form
    80,511.36/111,108.56 = 44,701.92/x
  3. Step 3: Cross multiply
    80,511.36x = 111,108.56 × 44,701.92
  4. Step 4: Simplify right side
    80,511.36x = 4,966,765,960.44
  5. Step 5: Solve for x
    x = 4,966,765,960.44/80,511.36
  6. Step 6: Final answer
    x = 61,690.25

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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.