Home / 73,913.56-102,000.54-40,379.80

Finding the Fourth Proportional to 73,913.56, 102,000.54 and 40,379.80

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Solution

The fourth proportional to 73,913.56, 102,000.54 and 40,379.80 is: 55,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,913.56 : 102,000.54 = 40,379.80 : x
  2. Step 2: Convert to fraction form
    73,913.56/102,000.54 = 40,379.80/x
  3. Step 3: Cross multiply
    73,913.56x = 102,000.54 × 40,379.80
  4. Step 4: Simplify right side
    73,913.56x = 4,118,761,405.09
  5. Step 5: Solve for x
    x = 4,118,761,405.09/73,913.56
  6. Step 6: Final answer
    x = 55,724.03

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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.