Home / 70,911.21-97,858.14-39,081.27

Finding the Fourth Proportional to 70,911.21, 97,858.14 and 39,081.27

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Solution

The fourth proportional to 70,911.21, 97,858.14 and 39,081.27 is: 53,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,911.21 : 97,858.14 = 39,081.27 : x
  2. Step 2: Convert to fraction form
    70,911.21/97,858.14 = 39,081.27/x
  3. Step 3: Cross multiply
    70,911.21x = 97,858.14 × 39,081.27
  4. Step 4: Simplify right side
    70,911.21x = 3,824,420,391.04
  5. Step 5: Solve for x
    x = 3,824,420,391.04/70,911.21
  6. Step 6: Final answer
    x = 53,932.52

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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.