Home / 80,983.37-111,696.80-59,466.35

Finding the Fourth Proportional to 80,983.37, 111,696.80 and 59,466.35

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Solution

The fourth proportional to 80,983.37, 111,696.80 and 59,466.35 is: 82,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,983.37 : 111,696.80 = 59,466.35 : x
  2. Step 2: Convert to fraction form
    80,983.37/111,696.80 = 59,466.35/x
  3. Step 3: Cross multiply
    80,983.37x = 111,696.80 × 59,466.35
  4. Step 4: Simplify right side
    80,983.37x = 6,642,200,984.59
  5. Step 5: Solve for x
    x = 6,642,200,984.59/80,983.37
  6. Step 6: Final answer
    x = 82,019.32

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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.