Finding the Fourth Proportional to 69,387.40, 104,006.58 and 29,963.08
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Solution
The fourth proportional to 69,387.40, 104,006.58 and 29,963.08 is: 44,912.44
Step by Step Solution
- Step 1: Write the proportion equation
69,387.40 : 104,006.58 = 29,963.08 : x - Step 2: Convert to fraction form
69,387.40/104,006.58 = 29,963.08/x - Step 3: Cross multiply
69,387.40x = 104,006.58 × 29,963.08 - Step 4: Simplify right side
69,387.40x = 3,116,357,477.07 - Step 5: Solve for x
x = 3,116,357,477.07/69,387.40 - Step 6: Final answer
x = 44,912.44
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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.