Home / 70,913.45-97,861.16-39,082.43

Finding the Fourth Proportional to 70,913.45, 97,861.16 and 39,082.43

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Solution

The fourth proportional to 70,913.45, 97,861.16 and 39,082.43 is: 53,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,913.45 : 97,861.16 = 39,082.43 : x
  2. Step 2: Convert to fraction form
    70,913.45/97,861.16 = 39,082.43/x
  3. Step 3: Cross multiply
    70,913.45x = 97,861.16 × 39,082.43
  4. Step 4: Simplify right side
    70,913.45x = 3,824,651,740.01
  5. Step 5: Solve for x
    x = 3,824,651,740.01/70,913.45
  6. Step 6: Final answer
    x = 53,934.08

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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.