Home / 70,890.21-97,828.83-39,059.03

Finding the Fourth Proportional to 70,890.21, 97,828.83 and 39,059.03

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Solution

The fourth proportional to 70,890.21, 97,828.83 and 39,059.03 is: 53,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.21 : 97,828.83 = 39,059.03 : x
  2. Step 2: Convert to fraction form
    70,890.21/97,828.83 = 39,059.03/x
  3. Step 3: Cross multiply
    70,890.21x = 97,828.83 × 39,059.03
  4. Step 4: Simplify right side
    70,890.21x = 3,821,099,450.41
  5. Step 5: Solve for x
    x = 3,821,099,450.41/70,890.21
  6. Step 6: Final answer
    x = 53,901.65

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1.5x scale

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.