Home / 70,389.27-97,137.21-38,559.30

Finding the Fourth Proportional to 70,389.27, 97,137.21 and 38,559.30

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Solution

The fourth proportional to 70,389.27, 97,137.21 and 38,559.30 is: 53,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,389.27 : 97,137.21 = 38,559.30 : x
  2. Step 2: Convert to fraction form
    70,389.27/97,137.21 = 38,559.30/x
  3. Step 3: Cross multiply
    70,389.27x = 97,137.21 × 38,559.30
  4. Step 4: Simplify right side
    70,389.27x = 3,745,542,821.55
  5. Step 5: Solve for x
    x = 3,745,542,821.55/70,389.27
  6. Step 6: Final answer
    x = 53,211.84

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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.