Finding the Fourth Proportional to 90,733.36, 125,212.08 and 52,498.12
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Solution
The fourth proportional to 90,733.36, 125,212.08 and 52,498.12 is: 72,447.43
Step by Step Solution
- Step 1: Write the proportion equation
90,733.36 : 125,212.08 = 52,498.12 : x - Step 2: Convert to fraction form
90,733.36/125,212.08 = 52,498.12/x - Step 3: Cross multiply
90,733.36x = 125,212.08 × 52,498.12 - Step 4: Simplify right side
90,733.36x = 6,573,398,801.29 - Step 5: Solve for x
x = 6,573,398,801.29/90,733.36 - Step 6: Final answer
x = 72,447.43
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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.