Home / 66,069.08-91,174.70-35,854.36

Finding the Fourth Proportional to 66,069.08, 91,174.70 and 35,854.36

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Solution

The fourth proportional to 66,069.08, 91,174.70 and 35,854.36 is: 49,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.08 : 91,174.70 = 35,854.36 : x
  2. Step 2: Convert to fraction form
    66,069.08/91,174.70 = 35,854.36/x
  3. Step 3: Cross multiply
    66,069.08x = 91,174.70 × 35,854.36
  4. Step 4: Simplify right side
    66,069.08x = 3,269,010,516.69
  5. Step 5: Solve for x
    x = 3,269,010,516.69/66,069.08
  6. Step 6: Final answer
    x = 49,478.67

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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.