Home / 84,925.12-117,198.48-47,198.56

Finding the Fourth Proportional to 84,925.12, 117,198.48 and 47,198.56

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Solution

The fourth proportional to 84,925.12, 117,198.48 and 47,198.56 is: 65,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,925.12 : 117,198.48 = 47,198.56 : x
  2. Step 2: Convert to fraction form
    84,925.12/117,198.48 = 47,198.56/x
  3. Step 3: Cross multiply
    84,925.12x = 117,198.48 × 47,198.56
  4. Step 4: Simplify right side
    84,925.12x = 5,531,599,490.19
  5. Step 5: Solve for x
    x = 5,531,599,490.19/84,925.12
  6. Step 6: Final answer
    x = 65,135.02

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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.