Home / 70,913.20-97,860.81-39,082.18

Finding the Fourth Proportional to 70,913.20, 97,860.81 and 39,082.18

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Solution

The fourth proportional to 70,913.20, 97,860.81 and 39,082.18 is: 53,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.20 : 97,860.81 = 39,082.18 : x
  2. Step 2: Convert to fraction form
    70,913.20/97,860.81 = 39,082.18/x
  3. Step 3: Cross multiply
    70,913.20x = 97,860.81 × 39,082.18
  4. Step 4: Simplify right side
    70,913.20x = 3,824,613,791.37
  5. Step 5: Solve for x
    x = 3,824,613,791.37/70,913.20
  6. Step 6: Final answer
    x = 53,933.74

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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.