Home / 64,792-96,968.55-39,847.87

Finding the Fourth Proportional to 64,792, 96,968.55 and 39,847.87

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Solution

The fourth proportional to 64,792, 96,968.55 and 39,847.87 is: 59,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,792 : 96,968.55 = 39,847.87 : x
  2. Step 2: Convert to fraction form
    64,792/96,968.55 = 39,847.87/x
  3. Step 3: Cross multiply
    64,792x = 96,968.55 × 39,847.87
  4. Step 4: Simplify right side
    64,792x = 3,863,990,174.49
  5. Step 5: Solve for x
    x = 3,863,990,174.49/64,792
  6. Step 6: Final answer
    x = 59,636.84

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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.