Home / 70,518.14-97,321.64-40,297.55

Finding the Fourth Proportional to 70,518.14, 97,321.64 and 40,297.55

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Solution

The fourth proportional to 70,518.14, 97,321.64 and 40,297.55 is: 55,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,518.14 : 97,321.64 = 40,297.55 : x
  2. Step 2: Convert to fraction form
    70,518.14/97,321.64 = 40,297.55/x
  3. Step 3: Cross multiply
    70,518.14x = 97,321.64 × 40,297.55
  4. Step 4: Simplify right side
    70,518.14x = 3,921,823,998.03
  5. Step 5: Solve for x
    x = 3,921,823,998.03/70,518.14
  6. Step 6: Final answer
    x = 55,614.40

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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.