Home / 69,763.34-104,642.66-30,320.46

Finding the Fourth Proportional to 69,763.34, 104,642.66 and 30,320.46

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Solution

The fourth proportional to 69,763.34, 104,642.66 and 30,320.46 is: 45,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,763.34 : 104,642.66 = 30,320.46 : x
  2. Step 2: Convert to fraction form
    69,763.34/104,642.66 = 30,320.46/x
  3. Step 3: Cross multiply
    69,763.34x = 104,642.66 × 30,320.46
  4. Step 4: Simplify right side
    69,763.34x = 3,172,813,662.62
  5. Step 5: Solve for x
    x = 3,172,813,662.62/69,763.34
  6. Step 6: Final answer
    x = 45,479.67

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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.