Home / 57,840.40-86,674.20-49,027.60

Finding the Fourth Proportional to 57,840.40, 86,674.20 and 49,027.60

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Solution

The fourth proportional to 57,840.40, 86,674.20 and 49,027.60 is: 73,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.40 : 86,674.20 = 49,027.60 : x
  2. Step 2: Convert to fraction form
    57,840.40/86,674.20 = 49,027.60/x
  3. Step 3: Cross multiply
    57,840.40x = 86,674.20 × 49,027.60
  4. Step 4: Simplify right side
    57,840.40x = 4,249,428,007.92
  5. Step 5: Solve for x
    x = 4,249,428,007.92/57,840.40
  6. Step 6: Final answer
    x = 73,468.16

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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.