Finding the Fourth Proportional to 98,954.21, 148,080.93 and 61,531.91
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Solution
The fourth proportional to 98,954.21, 148,080.93 and 61,531.91 is: 92,079.99
Step by Step Solution
- Step 1: Write the proportion equation
98,954.21 : 148,080.93 = 61,531.91 : x - Step 2: Convert to fraction form
98,954.21/148,080.93 = 61,531.91/x - Step 3: Cross multiply
98,954.21x = 148,080.93 × 61,531.91 - Step 4: Simplify right side
98,954.21x = 9,111,701,717.07 - Step 5: Solve for x
x = 9,111,701,717.07/98,954.21 - Step 6: Final answer
x = 92,079.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.