Finding the Fourth Proportional to 74,406.29, 102,630.71 and 46,125.95
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Solution
The fourth proportional to 74,406.29, 102,630.71 and 46,125.95 is: 63,622.83
Step by Step Solution
- Step 1: Write the proportion equation
74,406.29 : 102,630.71 = 46,125.95 : x - Step 2: Convert to fraction form
74,406.29/102,630.71 = 46,125.95/x - Step 3: Cross multiply
74,406.29x = 102,630.71 × 46,125.95 - Step 4: Simplify right side
74,406.29x = 4,733,938,600.09 - Step 5: Solve for x
x = 4,733,938,600.09/74,406.29 - Step 6: Final answer
x = 63,622.83
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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.