Finding the Fourth Proportional to 125,073.56, 172,599.80 and 68,484.94
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Solution
The fourth proportional to 125,073.56, 172,599.80 and 68,484.94 is: 94,508.28
Step by Step Solution
- Step 1: Write the proportion equation
125,073.56 : 172,599.80 = 68,484.94 : x - Step 2: Convert to fraction form
125,073.56/172,599.80 = 68,484.94/x - Step 3: Cross multiply
125,073.56x = 172,599.80 × 68,484.94 - Step 4: Simplify right side
125,073.56x = 11,820,486,947.01 - Step 5: Solve for x
x = 11,820,486,947.01/125,073.56 - Step 6: Final answer
x = 94,508.28
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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.