Finding the Fourth Proportional to 88,938.20, 122,763.30 and 58,750.31
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Solution
The fourth proportional to 88,938.20, 122,763.30 and 58,750.31 is: 81,094.31
Step by Step Solution
- Step 1: Write the proportion equation
88,938.20 : 122,763.30 = 58,750.31 : x - Step 2: Convert to fraction form
88,938.20/122,763.30 = 58,750.31/x - Step 3: Cross multiply
88,938.20x = 122,763.30 × 58,750.31 - Step 4: Simplify right side
88,938.20x = 7,212,382,018.22 - Step 5: Solve for x
x = 7,212,382,018.22/88,938.20 - Step 6: Final answer
x = 81,094.31
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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.