Finding the Fourth Proportional to 74,299.96, 102,573.73 and 57,266.88
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Solution
The fourth proportional to 74,299.96, 102,573.73 and 57,266.88 is: 79,058.95
Step by Step Solution
- Step 1: Write the proportion equation
74,299.96 : 102,573.73 = 57,266.88 : x - Step 2: Convert to fraction form
74,299.96/102,573.73 = 57,266.88/x - Step 3: Cross multiply
74,299.96x = 102,573.73 × 57,266.88 - Step 4: Simplify right side
74,299.96x = 5,874,076,851.87 - Step 5: Solve for x
x = 5,874,076,851.87/74,299.96 - Step 6: Final answer
x = 79,058.95
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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.