Finding the Fourth Proportional to 90,750.51, 125,231.67 and 52,508.08
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Solution
The fourth proportional to 90,750.51, 125,231.67 and 52,508.08 is: 72,458.82
Step by Step Solution
- Step 1: Write the proportion equation
90,750.51 : 125,231.67 = 52,508.08 : x - Step 2: Convert to fraction form
90,750.51/125,231.67 = 52,508.08/x - Step 3: Cross multiply
90,750.51x = 125,231.67 × 52,508.08 - Step 4: Simplify right side
90,750.51x = 6,575,674,703.43 - Step 5: Solve for x
x = 6,575,674,703.43/90,750.51 - Step 6: Final answer
x = 72,458.82
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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.