Home / 82,121.58-113,327.81-44,395.83

Finding the Fourth Proportional to 82,121.58, 113,327.81 and 44,395.83

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Solution

The fourth proportional to 82,121.58, 113,327.81 and 44,395.83 is: 61,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,121.58 : 113,327.81 = 44,395.83 : x
  2. Step 2: Convert to fraction form
    82,121.58/113,327.81 = 44,395.83/x
  3. Step 3: Cross multiply
    82,121.58x = 113,327.81 × 44,395.83
  4. Step 4: Simplify right side
    82,121.58x = 5,031,281,965.05
  5. Step 5: Solve for x
    x = 5,031,281,965.05/82,121.58
  6. Step 6: Final answer
    x = 61,266.26

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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.