Home / 84,817.11-117,068.64-49,029.42

Finding the Fourth Proportional to 84,817.11, 117,068.64 and 49,029.42

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Solution

The fourth proportional to 84,817.11, 117,068.64 and 49,029.42 is: 67,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817.11 : 117,068.64 = 49,029.42 : x
  2. Step 2: Convert to fraction form
    84,817.11/117,068.64 = 49,029.42/x
  3. Step 3: Cross multiply
    84,817.11x = 117,068.64 × 49,029.42
  4. Step 4: Simplify right side
    84,817.11x = 5,739,807,519.39
  5. Step 5: Solve for x
    x = 5,739,807,519.39/84,817.11
  6. Step 6: Final answer
    x = 67,672.76

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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.