Home / 70,421.77-105,561.58-44,144.97

Finding the Fourth Proportional to 70,421.77, 105,561.58 and 44,144.97

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Solution

The fourth proportional to 70,421.77, 105,561.58 and 44,144.97 is: 66,172.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.77 : 105,561.58 = 44,144.97 : x
  2. Step 2: Convert to fraction form
    70,421.77/105,561.58 = 44,144.97/x
  3. Step 3: Cross multiply
    70,421.77x = 105,561.58 × 44,144.97
  4. Step 4: Simplify right side
    70,421.77x = 4,660,012,782.25
  5. Step 5: Solve for x
    x = 4,660,012,782.25/70,421.77
  6. Step 6: Final answer
    x = 66,172.90

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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.