Finding the Fourth Proportional to 106,642.08, 147,169.44 and 58,896.96
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Solution
The fourth proportional to 106,642.08, 147,169.44 and 58,896.96 is: 81,279.67
Step by Step Solution
- Step 1: Write the proportion equation
106,642.08 : 147,169.44 = 58,896.96 : x - Step 2: Convert to fraction form
106,642.08/147,169.44 = 58,896.96/x - Step 3: Cross multiply
106,642.08x = 147,169.44 × 58,896.96 - Step 4: Simplify right side
106,642.08x = 8,667,832,620.90 - Step 5: Solve for x
x = 8,667,832,620.90/106,642.08 - Step 6: Final answer
x = 81,279.67
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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.