Home / 84,998.12-117,295.74-47,271.56

Finding the Fourth Proportional to 84,998.12, 117,295.74 and 47,271.56

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Solution

The fourth proportional to 84,998.12, 117,295.74 and 47,271.56 is: 65,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,998.12 : 117,295.74 = 47,271.56 : x
  2. Step 2: Convert to fraction form
    84,998.12/117,295.74 = 47,271.56/x
  3. Step 3: Cross multiply
    84,998.12x = 117,295.74 × 47,271.56
  4. Step 4: Simplify right side
    84,998.12x = 5,544,752,611.15
  5. Step 5: Solve for x
    x = 5,544,752,611.15/84,998.12
  6. Step 6: Final answer
    x = 65,233.83

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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.