Finding the Fourth Proportional to 98,646.23, 136,132.79 and 53,325.06
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Solution
The fourth proportional to 98,646.23, 136,132.79 and 53,325.06 is: 73,589.12
Step by Step Solution
- Step 1: Write the proportion equation
98,646.23 : 136,132.79 = 53,325.06 : x - Step 2: Convert to fraction form
98,646.23/136,132.79 = 53,325.06/x - Step 3: Cross multiply
98,646.23x = 136,132.79 × 53,325.06 - Step 4: Simplify right side
98,646.23x = 7,259,288,928.09 - Step 5: Solve for x
x = 7,259,288,928.09/98,646.23 - Step 6: Final answer
x = 73,589.12
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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.