Home / 57,620.16-86,313.60-45,023.04

Finding the Fourth Proportional to 57,620.16, 86,313.60 and 45,023.04

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Solution

The fourth proportional to 57,620.16, 86,313.60 and 45,023.04 is: 67,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.16 : 86,313.60 = 45,023.04 : x
  2. Step 2: Convert to fraction form
    57,620.16/86,313.60 = 45,023.04/x
  3. Step 3: Cross multiply
    57,620.16x = 86,313.60 × 45,023.04
  4. Step 4: Simplify right side
    57,620.16x = 3,886,100,665.34
  5. Step 5: Solve for x
    x = 3,886,100,665.34/57,620.16
  6. Step 6: Final answer
    x = 67,443.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.