Finding the Fourth Proportional to 98,971.50, 136,582.29 and 54,259.50
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Solution
The fourth proportional to 98,971.50, 136,582.29 and 54,259.50 is: 74,879.00
Step by Step Solution
- Step 1: Write the proportion equation
98,971.50 : 136,582.29 = 54,259.50 : x - Step 2: Convert to fraction form
98,971.50/136,582.29 = 54,259.50/x - Step 3: Cross multiply
98,971.50x = 136,582.29 × 54,259.50 - Step 4: Simplify right side
98,971.50x = 7,410,886,764.26 - Step 5: Solve for x
x = 7,410,886,764.26/98,971.50 - Step 6: Final answer
x = 74,879.00
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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.