Finding the Fourth Proportional to 125,073.44, 172,599.64 and 68,484.82
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Solution
The fourth proportional to 125,073.44, 172,599.64 and 68,484.82 is: 94,508.12
Step by Step Solution
- Step 1: Write the proportion equation
125,073.44 : 172,599.64 = 68,484.82 : x - Step 2: Convert to fraction form
125,073.44/172,599.64 = 68,484.82/x - Step 3: Cross multiply
125,073.44x = 172,599.64 × 68,484.82 - Step 4: Simplify right side
125,073.44x = 11,820,455,277.46 - Step 5: Solve for x
x = 11,820,455,277.46/125,073.44 - Step 6: Final answer
x = 94,508.12
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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.