Home / 74,770.28-112,135.90-22,165.64

Finding the Fourth Proportional to 74,770.28, 112,135.90 and 22,165.64

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Solution

The fourth proportional to 74,770.28, 112,135.90 and 22,165.64 is: 33,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,770.28 : 112,135.90 = 22,165.64 : x
  2. Step 2: Convert to fraction form
    74,770.28/112,135.90 = 22,165.64/x
  3. Step 3: Cross multiply
    74,770.28x = 112,135.90 × 22,165.64
  4. Step 4: Simplify right side
    74,770.28x = 2,485,563,990.48
  5. Step 5: Solve for x
    x = 2,485,563,990.48/74,770.28
  6. Step 6: Final answer
    x = 33,242.67

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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.