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Finding the Fourth Proportional to 79,466.84, 119,083.62 and 39,969.62

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Solution

The fourth proportional to 79,466.84, 119,083.62 and 39,969.62 is: 59,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.84 : 119,083.62 = 39,969.62 : x
  2. Step 2: Convert to fraction form
    79,466.84/119,083.62 = 39,969.62/x
  3. Step 3: Cross multiply
    79,466.84x = 119,083.62 × 39,969.62
  4. Step 4: Simplify right side
    79,466.84x = 4,759,727,039.62
  5. Step 5: Solve for x
    x = 4,759,727,039.62/79,466.84
  6. Step 6: Final answer
    x = 59,895.76

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1.5x scale

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.