Home / 84,863.52-117,115.36-47,137.77

Finding the Fourth Proportional to 84,863.52, 117,115.36 and 47,137.77

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Solution

The fourth proportional to 84,863.52, 117,115.36 and 47,137.77 is: 65,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,863.52 : 117,115.36 = 47,137.77 : x
  2. Step 2: Convert to fraction form
    84,863.52/117,115.36 = 47,137.77/x
  3. Step 3: Cross multiply
    84,863.52x = 117,115.36 × 47,137.77
  4. Step 4: Simplify right side
    84,863.52x = 5,520,556,199.73
  5. Step 5: Solve for x
    x = 5,520,556,199.73/84,863.52
  6. Step 6: Final answer
    x = 65,052.17

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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.