Home / 70,457.37-97,231.97-40,246.68

Finding the Fourth Proportional to 70,457.37, 97,231.97 and 40,246.68

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Solution

The fourth proportional to 70,457.37, 97,231.97 and 40,246.68 is: 55,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457.37 : 97,231.97 = 40,246.68 : x
  2. Step 2: Convert to fraction form
    70,457.37/97,231.97 = 40,246.68/x
  3. Step 3: Cross multiply
    70,457.37x = 97,231.97 × 40,246.68
  4. Step 4: Simplify right side
    70,457.37x = 3,913,263,781.13
  5. Step 5: Solve for x
    x = 3,913,263,781.13/70,457.37
  6. Step 6: Final answer
    x = 55,540.87

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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.