Home / 53,037.04-73,190.56-39,485.67

Finding the Fourth Proportional to 53,037.04, 73,190.56 and 39,485.67

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Solution

The fourth proportional to 53,037.04, 73,190.56 and 39,485.67 is: 54,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,037.04 : 73,190.56 = 39,485.67 : x
  2. Step 2: Convert to fraction form
    53,037.04/73,190.56 = 39,485.67/x
  3. Step 3: Cross multiply
    53,037.04x = 73,190.56 × 39,485.67
  4. Step 4: Simplify right side
    53,037.04x = 2,889,978,101.85
  5. Step 5: Solve for x
    x = 2,889,978,101.85/53,037.04
  6. Step 6: Final answer
    x = 54,489.81

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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.