Finding the Fourth Proportional to 82,875.52, 124,113.60 and 51,671.68
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Solution
The fourth proportional to 82,875.52, 124,113.60 and 51,671.68 is: 77,383.02
Step by Step Solution
- Step 1: Write the proportion equation
82,875.52 : 124,113.60 = 51,671.68 : x - Step 2: Convert to fraction form
82,875.52/124,113.60 = 51,671.68/x - Step 3: Cross multiply
82,875.52x = 124,113.60 × 51,671.68 - Step 4: Simplify right side
82,875.52x = 6,413,158,222.85 - Step 5: Solve for x
x = 6,413,158,222.85/82,875.52 - Step 6: Final answer
x = 77,383.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.