Home / 86,477.56-119,368.78-50,679.16

Finding the Fourth Proportional to 86,477.56, 119,368.78 and 50,679.16

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Solution

The fourth proportional to 86,477.56, 119,368.78 and 50,679.16 is: 69,954.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,477.56 : 119,368.78 = 50,679.16 : x
  2. Step 2: Convert to fraction form
    86,477.56/119,368.78 = 50,679.16/x
  3. Step 3: Cross multiply
    86,477.56x = 119,368.78 × 50,679.16
  4. Step 4: Simplify right side
    86,477.56x = 6,049,509,500.62
  5. Step 5: Solve for x
    x = 6,049,509,500.62/86,477.56
  6. Step 6: Final answer
    x = 69,954.67

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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.