Home / 84,847.68-117,093.12-58,046.40

Finding the Fourth Proportional to 84,847.68, 117,093.12 and 58,046.40

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Solution

The fourth proportional to 84,847.68, 117,093.12 and 58,046.40 is: 80,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.68 : 117,093.12 = 58,046.40 : x
  2. Step 2: Convert to fraction form
    84,847.68/117,093.12 = 58,046.40/x
  3. Step 3: Cross multiply
    84,847.68x = 117,093.12 × 58,046.40
  4. Step 4: Simplify right side
    84,847.68x = 6,796,834,080.77
  5. Step 5: Solve for x
    x = 6,796,834,080.77/84,847.68
  6. Step 6: Final answer
    x = 80,106.30

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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.