Home / 84,611.20-116,644.98-59,081.08

Finding the Fourth Proportional to 84,611.20, 116,644.98 and 59,081.08

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Solution

The fourth proportional to 84,611.20, 116,644.98 and 59,081.08 is: 81,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,611.20 : 116,644.98 = 59,081.08 : x
  2. Step 2: Convert to fraction form
    84,611.20/116,644.98 = 59,081.08/x
  3. Step 3: Cross multiply
    84,611.20x = 116,644.98 × 59,081.08
  4. Step 4: Simplify right side
    84,611.20x = 6,891,511,394.98
  5. Step 5: Solve for x
    x = 6,891,511,394.98/84,611.20
  6. Step 6: Final answer
    x = 81,449.16

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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.