Finding the Fourth Proportional to 74,485.40, 102,772.68 and 46,177.52
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Solution
The fourth proportional to 74,485.40, 102,772.68 and 46,177.52 is: 63,714.33
Step by Step Solution
- Step 1: Write the proportion equation
74,485.40 : 102,772.68 = 46,177.52 : x - Step 2: Convert to fraction form
74,485.40/102,772.68 = 46,177.52/x - Step 3: Cross multiply
74,485.40x = 102,772.68 × 46,177.52 - Step 4: Simplify right side
74,485.40x = 4,745,787,486.15 - Step 5: Solve for x
x = 4,745,787,486.15/74,485.40 - Step 6: Final answer
x = 63,714.33
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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.