Home / 70,450.32-105,580.44-35,415.12

Finding the Fourth Proportional to 70,450.32, 105,580.44 and 35,415.12

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Solution

The fourth proportional to 70,450.32, 105,580.44 and 35,415.12 is: 53,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.32 : 105,580.44 = 35,415.12 : x
  2. Step 2: Convert to fraction form
    70,450.32/105,580.44 = 35,415.12/x
  3. Step 3: Cross multiply
    70,450.32x = 105,580.44 × 35,415.12
  4. Step 4: Simplify right side
    70,450.32x = 3,739,143,952.25
  5. Step 5: Solve for x
    x = 3,739,143,952.25/70,450.32
  6. Step 6: Final answer
    x = 53,074.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.