Finding the Fourth Proportional to 106,125.93, 146,454.48 and 58,378.05
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Solution
The fourth proportional to 106,125.93, 146,454.48 and 58,378.05 is: 80,562.09
Step by Step Solution
- Step 1: Write the proportion equation
106,125.93 : 146,454.48 = 58,378.05 : x - Step 2: Convert to fraction form
106,125.93/146,454.48 = 58,378.05/x - Step 3: Cross multiply
106,125.93x = 146,454.48 × 58,378.05 - Step 4: Simplify right side
106,125.93x = 8,549,726,956.16 - Step 5: Solve for x
x = 8,549,726,956.16/106,125.93 - Step 6: Final answer
x = 80,562.09
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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.