Home / 79,192.77-109,286.07-43,384.08

Finding the Fourth Proportional to 79,192.77, 109,286.07 and 43,384.08

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Solution

The fourth proportional to 79,192.77, 109,286.07 and 43,384.08 is: 59,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.77 : 109,286.07 = 43,384.08 : x
  2. Step 2: Convert to fraction form
    79,192.77/109,286.07 = 43,384.08/x
  3. Step 3: Cross multiply
    79,192.77x = 109,286.07 × 43,384.08
  4. Step 4: Simplify right side
    79,192.77x = 4,741,275,603.77
  5. Step 5: Solve for x
    x = 4,741,275,603.77/79,192.77
  6. Step 6: Final answer
    x = 59,870.06

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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.