Home / 45,346.19-68,018.13-12,066.54

Finding the Fourth Proportional to 45,346.19, 68,018.13 and 12,066.54

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Solution

The fourth proportional to 45,346.19, 68,018.13 and 12,066.54 is: 18,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.19 : 68,018.13 = 12,066.54 : x
  2. Step 2: Convert to fraction form
    45,346.19/68,018.13 = 12,066.54/x
  3. Step 3: Cross multiply
    45,346.19x = 68,018.13 × 12,066.54
  4. Step 4: Simplify right side
    45,346.19x = 820,743,805.21
  5. Step 5: Solve for x
    x = 820,743,805.21/45,346.19
  6. Step 6: Final answer
    x = 18,099.51

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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.