Finding the Fourth Proportional to 69,318.80, 103,977.86 and 27,169.10
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Solution
The fourth proportional to 69,318.80, 103,977.86 and 27,169.10 is: 40,753.52
Step by Step Solution
- Step 1: Write the proportion equation
69,318.80 : 103,977.86 = 27,169.10 : x - Step 2: Convert to fraction form
69,318.80/103,977.86 = 27,169.10/x - Step 3: Cross multiply
69,318.80x = 103,977.86 × 27,169.10 - Step 4: Simplify right side
69,318.80x = 2,824,984,876.13 - Step 5: Solve for x
x = 2,824,984,876.13/69,318.80 - Step 6: Final answer
x = 40,753.52
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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.