Home / 70,890.44-97,834.36-39,065.04

Finding the Fourth Proportional to 70,890.44, 97,834.36 and 39,065.04

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Solution

The fourth proportional to 70,890.44, 97,834.36 and 39,065.04 is: 53,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.44 : 97,834.36 = 39,065.04 : x
  2. Step 2: Convert to fraction form
    70,890.44/97,834.36 = 39,065.04/x
  3. Step 3: Cross multiply
    70,890.44x = 97,834.36 × 39,065.04
  4. Step 4: Simplify right side
    70,890.44x = 3,821,903,186.77
  5. Step 5: Solve for x
    x = 3,821,903,186.77/70,890.44
  6. Step 6: Final answer
    x = 53,912.82

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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.