Home / 70,890.26-97,834.10-39,064.82

Finding the Fourth Proportional to 70,890.26, 97,834.10 and 39,064.82

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Solution

The fourth proportional to 70,890.26, 97,834.10 and 39,064.82 is: 53,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.26 : 97,834.10 = 39,064.82 : x
  2. Step 2: Convert to fraction form
    70,890.26/97,834.10 = 39,064.82/x
  3. Step 3: Cross multiply
    70,890.26x = 97,834.10 × 39,064.82
  4. Step 4: Simplify right side
    70,890.26x = 3,821,870,821.87
  5. Step 5: Solve for x
    x = 3,821,870,821.87/70,890.26
  6. Step 6: Final answer
    x = 53,912.50

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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.