Home / 70,415.32-97,175.82-40,205.56

Finding the Fourth Proportional to 70,415.32, 97,175.82 and 40,205.56

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Solution

The fourth proportional to 70,415.32, 97,175.82 and 40,205.56 is: 55,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,415.32 : 97,175.82 = 40,205.56 : x
  2. Step 2: Convert to fraction form
    70,415.32/97,175.82 = 40,205.56/x
  3. Step 3: Cross multiply
    70,415.32x = 97,175.82 × 40,205.56
  4. Step 4: Simplify right side
    70,415.32x = 3,907,008,261.56
  5. Step 5: Solve for x
    x = 3,907,008,261.56/70,415.32
  6. Step 6: Final answer
    x = 55,485.20

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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.