Finding the Fourth Proportional to 98,695.63, 136,201.05 and 53,374.48
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Solution
The fourth proportional to 98,695.63, 136,201.05 and 53,374.48 is: 73,657.37
Step by Step Solution
- Step 1: Write the proportion equation
98,695.63 : 136,201.05 = 53,374.48 : x - Step 2: Convert to fraction form
98,695.63/136,201.05 = 53,374.48/x - Step 3: Cross multiply
98,695.63x = 136,201.05 × 53,374.48 - Step 4: Simplify right side
98,695.63x = 7,269,660,219.20 - Step 5: Solve for x
x = 7,269,660,219.20/98,695.63 - Step 6: Final answer
x = 73,657.37
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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.