Home / 64,917.78-97,376.67-15,669.78

Finding the Fourth Proportional to 64,917.78, 97,376.67 and 15,669.78

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Solution

The fourth proportional to 64,917.78, 97,376.67 and 15,669.78 is: 23,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,917.78 : 97,376.67 = 15,669.78 : x
  2. Step 2: Convert to fraction form
    64,917.78/97,376.67 = 15,669.78/x
  3. Step 3: Cross multiply
    64,917.78x = 97,376.67 × 15,669.78
  4. Step 4: Simplify right side
    64,917.78x = 1,525,870,996.03
  5. Step 5: Solve for x
    x = 1,525,870,996.03/64,917.78
  6. Step 6: Final answer
    x = 23,504.67

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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.