Home / 90,338.58-124,665.21-50,052.42

Finding the Fourth Proportional to 90,338.58, 124,665.21 and 50,052.42

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Solution

The fourth proportional to 90,338.58, 124,665.21 and 50,052.42 is: 69,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338.58 : 124,665.21 = 50,052.42 : x
  2. Step 2: Convert to fraction form
    90,338.58/124,665.21 = 50,052.42/x
  3. Step 3: Cross multiply
    90,338.58x = 124,665.21 × 50,052.42
  4. Step 4: Simplify right side
    90,338.58x = 6,239,795,450.31
  5. Step 5: Solve for x
    x = 6,239,795,450.31/90,338.58
  6. Step 6: Final answer
    x = 69,071.21

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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.