Home / 70,909.23-97,859.36-40,704.33

Finding the Fourth Proportional to 70,909.23, 97,859.36 and 40,704.33

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Solution

The fourth proportional to 70,909.23, 97,859.36 and 40,704.33 is: 56,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,909.23 : 97,859.36 = 40,704.33 : x
  2. Step 2: Convert to fraction form
    70,909.23/97,859.36 = 40,704.33/x
  3. Step 3: Cross multiply
    70,909.23x = 97,859.36 × 40,704.33
  4. Step 4: Simplify right side
    70,909.23x = 3,983,299,683.03
  5. Step 5: Solve for x
    x = 3,983,299,683.03/70,909.23
  6. Step 6: Final answer
    x = 56,174.63

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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.