Finding the Fourth Proportional to 98,804.36, 136,350.36 and 53,482.88
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Solution
The fourth proportional to 98,804.36, 136,350.36 and 53,482.88 is: 73,806.56
Step by Step Solution
- Step 1: Write the proportion equation
98,804.36 : 136,350.36 = 53,482.88 : x - Step 2: Convert to fraction form
98,804.36/136,350.36 = 53,482.88/x - Step 3: Cross multiply
98,804.36x = 136,350.36 × 53,482.88 - Step 4: Simplify right side
98,804.36x = 7,292,409,941.84 - Step 5: Solve for x
x = 7,292,409,941.84/98,804.36 - Step 6: Final answer
x = 73,806.56
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1.5x scale
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.