Finding the Fourth Proportional to 80,129.08, 110,601.12 and 52,925.05
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Solution
The fourth proportional to 80,129.08, 110,601.12 and 52,925.05 is: 73,051.75
Step by Step Solution
- Step 1: Write the proportion equation
80,129.08 : 110,601.12 = 52,925.05 : x - Step 2: Convert to fraction form
80,129.08/110,601.12 = 52,925.05/x - Step 3: Cross multiply
80,129.08x = 110,601.12 × 52,925.05 - Step 4: Simplify right side
80,129.08x = 5,853,569,806.06 - Step 5: Solve for x
x = 5,853,569,806.06/80,129.08 - Step 6: Final answer
x = 73,051.75
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1.5x scale
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.