Home / 70,953.11-97,910.83-39,122.27

Finding the Fourth Proportional to 70,953.11, 97,910.83 and 39,122.27

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Solution

The fourth proportional to 70,953.11, 97,910.83 and 39,122.27 is: 53,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953.11 : 97,910.83 = 39,122.27 : x
  2. Step 2: Convert to fraction form
    70,953.11/97,910.83 = 39,122.27/x
  3. Step 3: Cross multiply
    70,953.11x = 97,910.83 × 39,122.27
  4. Step 4: Simplify right side
    70,953.11x = 3,830,494,074.16
  5. Step 5: Solve for x
    x = 3,830,494,074.16/70,953.11
  6. Step 6: Final answer
    x = 53,986.27

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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.