Home / 79,110.94-109,173.23-43,303.22

Finding the Fourth Proportional to 79,110.94, 109,173.23 and 43,303.22

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Solution

The fourth proportional to 79,110.94, 109,173.23 and 43,303.22 is: 59,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110.94 : 109,173.23 = 43,303.22 : x
  2. Step 2: Convert to fraction form
    79,110.94/109,173.23 = 43,303.22/x
  3. Step 3: Cross multiply
    79,110.94x = 109,173.23 × 43,303.22
  4. Step 4: Simplify right side
    79,110.94x = 4,727,552,396.80
  5. Step 5: Solve for x
    x = 4,727,552,396.80/79,110.94
  6. Step 6: Final answer
    x = 59,758.52

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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.