Finding the Fourth Proportional to 106,577.60, 147,077.60 and 58,830.08
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Solution
The fourth proportional to 106,577.60, 147,077.60 and 58,830.08 is: 81,185.79
Step by Step Solution
- Step 1: Write the proportion equation
106,577.60 : 147,077.60 = 58,830.08 : x - Step 2: Convert to fraction form
106,577.60/147,077.60 = 58,830.08/x - Step 3: Cross multiply
106,577.60x = 147,077.60 × 58,830.08 - Step 4: Simplify right side
106,577.60x = 8,652,586,974.21 - Step 5: Solve for x
x = 8,652,586,974.21/106,577.60 - Step 6: Final answer
x = 81,185.79
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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.