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Finding the Fourth Proportional to 84,843.39, 117,069.83 and 49,036.74

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Solution

The fourth proportional to 84,843.39, 117,069.83 and 49,036.74 is: 67,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,843.39 : 117,069.83 = 49,036.74 : x
  2. Step 2: Convert to fraction form
    84,843.39/117,069.83 = 49,036.74/x
  3. Step 3: Cross multiply
    84,843.39x = 117,069.83 × 49,036.74
  4. Step 4: Simplify right side
    84,843.39x = 5,740,721,985.02
  5. Step 5: Solve for x
    x = 5,740,721,985.02/84,843.39
  6. Step 6: Final answer
    x = 67,662.57

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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.