Home / 69,665.35-96,138.15-39,450.67

Finding the Fourth Proportional to 69,665.35, 96,138.15 and 39,450.67

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Solution

The fourth proportional to 69,665.35, 96,138.15 and 39,450.67 is: 54,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,665.35 : 96,138.15 = 39,450.67 : x
  2. Step 2: Convert to fraction form
    69,665.35/96,138.15 = 39,450.67/x
  3. Step 3: Cross multiply
    69,665.35x = 96,138.15 × 39,450.67
  4. Step 4: Simplify right side
    69,665.35x = 3,792,714,430.06
  5. Step 5: Solve for x
    x = 3,792,714,430.06/69,665.35
  6. Step 6: Final answer
    x = 54,441.91

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1.5x scale

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.