Finding the Fourth Proportional to 102,601.58, 141,592.41 and 56,661.08
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Solution
The fourth proportional to 102,601.58, 141,592.41 and 56,661.08 is: 78,193.52
Step by Step Solution
- Step 1: Write the proportion equation
102,601.58 : 141,592.41 = 56,661.08 : x - Step 2: Convert to fraction form
102,601.58/141,592.41 = 56,661.08/x - Step 3: Cross multiply
102,601.58x = 141,592.41 × 56,661.08 - Step 4: Simplify right side
102,601.58x = 8,022,778,162.44 - Step 5: Solve for x
x = 8,022,778,162.44/102,601.58 - Step 6: Final answer
x = 78,193.52
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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.