Home / 74,459.64-111,583.44-36,982.98

Finding the Fourth Proportional to 74,459.64, 111,583.44 and 36,982.98

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Solution

The fourth proportional to 74,459.64, 111,583.44 and 36,982.98 is: 55,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459.64 : 111,583.44 = 36,982.98 : x
  2. Step 2: Convert to fraction form
    74,459.64/111,583.44 = 36,982.98/x
  3. Step 3: Cross multiply
    74,459.64x = 111,583.44 × 36,982.98
  4. Step 4: Simplify right side
    74,459.64x = 4,126,688,129.85
  5. Step 5: Solve for x
    x = 4,126,688,129.85/74,459.64
  6. Step 6: Final answer
    x = 55,421.81

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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.