Finding the Fourth Proportional to 74,787.99, 103,156.04 and 44,550.02
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Solution
The fourth proportional to 74,787.99, 103,156.04 and 44,550.02 is: 61,448.41
Step by Step Solution
- Step 1: Write the proportion equation
74,787.99 : 103,156.04 = 44,550.02 : x - Step 2: Convert to fraction form
74,787.99/103,156.04 = 44,550.02/x - Step 3: Cross multiply
74,787.99x = 103,156.04 × 44,550.02 - Step 4: Simplify right side
74,787.99x = 4,595,602,906.59 - Step 5: Solve for x
x = 4,595,602,906.59/74,787.99 - Step 6: Final answer
x = 61,448.41
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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.