Home / 70,997.21-97,976.47-39,166.10

Finding the Fourth Proportional to 70,997.21, 97,976.47 and 39,166.10

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Solution

The fourth proportional to 70,997.21, 97,976.47 and 39,166.10 is: 54,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,997.21 : 97,976.47 = 39,166.10 : x
  2. Step 2: Convert to fraction form
    70,997.21/97,976.47 = 39,166.10/x
  3. Step 3: Cross multiply
    70,997.21x = 97,976.47 × 39,166.10
  4. Step 4: Simplify right side
    70,997.21x = 3,837,356,074.72
  5. Step 5: Solve for x
    x = 3,837,356,074.72/70,997.21
  6. Step 6: Final answer
    x = 54,049.39

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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.