Home / 86,969.95-120,016.38-48,731.07

Finding the Fourth Proportional to 86,969.95, 120,016.38 and 48,731.07

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Solution

The fourth proportional to 86,969.95, 120,016.38 and 48,731.07 is: 67,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,969.95 : 120,016.38 = 48,731.07 : x
  2. Step 2: Convert to fraction form
    86,969.95/120,016.38 = 48,731.07/x
  3. Step 3: Cross multiply
    86,969.95x = 120,016.38 × 48,731.07
  4. Step 4: Simplify right side
    86,969.95x = 5,848,526,614.93
  5. Step 5: Solve for x
    x = 5,848,526,614.93/86,969.95
  6. Step 6: Final answer
    x = 67,247.67

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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.