Finding the Fourth Proportional to 98,832.97, 136,389.30 and 53,510.99
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Solution
The fourth proportional to 98,832.97, 136,389.30 and 53,510.99 is: 73,845.06
Step by Step Solution
- Step 1: Write the proportion equation
98,832.97 : 136,389.30 = 53,510.99 : x - Step 2: Convert to fraction form
98,832.97/136,389.30 = 53,510.99/x - Step 3: Cross multiply
98,832.97x = 136,389.30 × 53,510.99 - Step 4: Simplify right side
98,832.97x = 7,298,326,653.98 - Step 5: Solve for x
x = 7,298,326,653.98/98,832.97 - Step 6: Final answer
x = 73,845.06
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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.