Home / 73,828.20-110,666.70-36,330.60

Finding the Fourth Proportional to 73,828.20, 110,666.70 and 36,330.60

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Solution

The fourth proportional to 73,828.20, 110,666.70 and 36,330.60 is: 54,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,828.20 : 110,666.70 = 36,330.60 : x
  2. Step 2: Convert to fraction form
    73,828.20/110,666.70 = 36,330.60/x
  3. Step 3: Cross multiply
    73,828.20x = 110,666.70 × 36,330.60
  4. Step 4: Simplify right side
    73,828.20x = 4,020,587,611.02
  5. Step 5: Solve for x
    x = 4,020,587,611.02/73,828.20
  6. Step 6: Final answer
    x = 54,458.70

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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.