Home / 49,485.60-74,233.80-47,930.40

Finding the Fourth Proportional to 49,485.60, 74,233.80 and 47,930.40

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Solution

The fourth proportional to 49,485.60, 74,233.80 and 47,930.40 is: 71,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.60 : 74,233.80 = 47,930.40 : x
  2. Step 2: Convert to fraction form
    49,485.60/74,233.80 = 47,930.40/x
  3. Step 3: Cross multiply
    49,485.60x = 74,233.80 × 47,930.40
  4. Step 4: Simplify right side
    49,485.60x = 3,558,055,727.52
  5. Step 5: Solve for x
    x = 3,558,055,727.52/49,485.60
  6. Step 6: Final answer
    x = 71,900.83

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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.