Home / 92,519.06-138,800.37-30,189.50

Finding the Fourth Proportional to 92,519.06, 138,800.37 and 30,189.50

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Solution

The fourth proportional to 92,519.06, 138,800.37 and 30,189.50 is: 45,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,519.06 : 138,800.37 = 30,189.50 : x
  2. Step 2: Convert to fraction form
    92,519.06/138,800.37 = 30,189.50/x
  3. Step 3: Cross multiply
    92,519.06x = 138,800.37 × 30,189.50
  4. Step 4: Simplify right side
    92,519.06x = 4,190,313,770.12
  5. Step 5: Solve for x
    x = 4,190,313,770.12/92,519.06
  6. Step 6: Final answer
    x = 45,291.36

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1.5x scale

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.