Finding the Fourth Proportional to 74,076.84, 102,228.48 and 40,542.84
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Solution
The fourth proportional to 74,076.84, 102,228.48 and 40,542.84 is: 55,950.46
Step by Step Solution
- Step 1: Write the proportion equation
74,076.84 : 102,228.48 = 40,542.84 : x - Step 2: Convert to fraction form
74,076.84/102,228.48 = 40,542.84/x - Step 3: Cross multiply
74,076.84x = 102,228.48 × 40,542.84 - Step 4: Simplify right side
74,076.84x = 4,144,632,908.08 - Step 5: Solve for x
x = 4,144,632,908.08/74,076.84 - Step 6: Final answer
x = 55,950.46
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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.