Home / 70,741.55-97,629.81-40,536.65

Finding the Fourth Proportional to 70,741.55, 97,629.81 and 40,536.65

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Solution

The fourth proportional to 70,741.55, 97,629.81 and 40,536.65 is: 55,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.55 : 97,629.81 = 40,536.65 : x
  2. Step 2: Convert to fraction form
    70,741.55/97,629.81 = 40,536.65/x
  3. Step 3: Cross multiply
    70,741.55x = 97,629.81 × 40,536.65
  4. Step 4: Simplify right side
    70,741.55x = 3,957,585,529.60
  5. Step 5: Solve for x
    x = 3,957,585,529.60/70,741.55
  6. Step 6: Final answer
    x = 55,944.28

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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.