Home / 70,571.08-97,387.14-40,361.32

Finding the Fourth Proportional to 70,571.08, 97,387.14 and 40,361.32

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Solution

The fourth proportional to 70,571.08, 97,387.14 and 40,361.32 is: 55,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,571.08 : 97,387.14 = 40,361.32 : x
  2. Step 2: Convert to fraction form
    70,571.08/97,387.14 = 40,361.32/x
  3. Step 3: Cross multiply
    70,571.08x = 97,387.14 × 40,361.32
  4. Step 4: Simplify right side
    70,571.08x = 3,930,673,521.42
  5. Step 5: Solve for x
    x = 3,930,673,521.42/70,571.08
  6. Step 6: Final answer
    x = 55,698.08

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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.