Home / 79,986.52-110,314.60-59,891.23

Finding the Fourth Proportional to 79,986.52, 110,314.60 and 59,891.23

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Solution

The fourth proportional to 79,986.52, 110,314.60 and 59,891.23 is: 82,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986.52 : 110,314.60 = 59,891.23 : x
  2. Step 2: Convert to fraction form
    79,986.52/110,314.60 = 59,891.23/x
  3. Step 3: Cross multiply
    79,986.52x = 110,314.60 × 59,891.23
  4. Step 4: Simplify right side
    79,986.52x = 6,606,877,080.96
  5. Step 5: Solve for x
    x = 6,606,877,080.96/79,986.52
  6. Step 6: Final answer
    x = 82,599.88

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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.