Home / 69,199.15-103,782.80-27,080.23

Finding the Fourth Proportional to 69,199.15, 103,782.80 and 27,080.23

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Solution

The fourth proportional to 69,199.15, 103,782.80 and 27,080.23 is: 40,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199.15 : 103,782.80 = 27,080.23 : x
  2. Step 2: Convert to fraction form
    69,199.15/103,782.80 = 27,080.23/x
  3. Step 3: Cross multiply
    69,199.15x = 103,782.80 × 27,080.23
  4. Step 4: Simplify right side
    69,199.15x = 2,810,461,958.64
  5. Step 5: Solve for x
    x = 2,810,461,958.64/69,199.15
  6. Step 6: Final answer
    x = 40,614.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.