Finding the Fourth Proportional to 112,339.08, 155,027.82 and 62,037.96
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Solution
The fourth proportional to 112,339.08, 155,027.82 and 62,037.96 is: 85,612.32
Step by Step Solution
- Step 1: Write the proportion equation
112,339.08 : 155,027.82 = 62,037.96 : x - Step 2: Convert to fraction form
112,339.08/155,027.82 = 62,037.96/x - Step 3: Cross multiply
112,339.08x = 155,027.82 × 62,037.96 - Step 4: Simplify right side
112,339.08x = 9,617,609,696.05 - Step 5: Solve for x
x = 9,617,609,696.05/112,339.08 - Step 6: Final answer
x = 85,612.32
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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.