Home / 109,348.20-164,017.44-30,460.68

Finding the Fourth Proportional to 109,348.20, 164,017.44 and 30,460.68

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Solution

The fourth proportional to 109,348.20, 164,017.44 and 30,460.68 is: 45,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,348.20 : 164,017.44 = 30,460.68 : x
  2. Step 2: Convert to fraction form
    109,348.20/164,017.44 = 30,460.68/x
  3. Step 3: Cross multiply
    109,348.20x = 164,017.44 × 30,460.68
  4. Step 4: Simplify right side
    109,348.20x = 4,996,082,754.26
  5. Step 5: Solve for x
    x = 4,996,082,754.26/109,348.20
  6. Step 6: Final answer
    x = 45,689.67

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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.