Home / 117,019.83-161,474.54-66,718.83

Finding the Fourth Proportional to 117,019.83, 161,474.54 and 66,718.83

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Solution

The fourth proportional to 117,019.83, 161,474.54 and 66,718.83 is: 92,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,019.83 : 161,474.54 = 66,718.83 : x
  2. Step 2: Convert to fraction form
    117,019.83/161,474.54 = 66,718.83/x
  3. Step 3: Cross multiply
    117,019.83x = 161,474.54 × 66,718.83
  4. Step 4: Simplify right side
    117,019.83x = 10,773,392,049.99
  5. Step 5: Solve for x
    x = 10,773,392,049.99/117,019.83
  6. Step 6: Final answer
    x = 92,064.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.