Home / 70,786.92-97,683.99-40,165.59

Finding the Fourth Proportional to 70,786.92, 97,683.99 and 40,165.59

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Solution

The fourth proportional to 70,786.92, 97,683.99 and 40,165.59 is: 55,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,786.92 : 97,683.99 = 40,165.59 : x
  2. Step 2: Convert to fraction form
    70,786.92/97,683.99 = 40,165.59/x
  3. Step 3: Cross multiply
    70,786.92x = 97,683.99 × 40,165.59
  4. Step 4: Simplify right side
    70,786.92x = 3,923,534,941.28
  5. Step 5: Solve for x
    x = 3,923,534,941.28/70,786.92
  6. Step 6: Final answer
    x = 55,427.40

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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.