Finding the Fourth Proportional to 97,351.68, 134,312.32 and 79,415.68
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Solution
The fourth proportional to 97,351.68, 134,312.32 and 79,415.68 is: 109,566.72
Step by Step Solution
- Step 1: Write the proportion equation
97,351.68 : 134,312.32 = 79,415.68 : x - Step 2: Convert to fraction form
97,351.68/134,312.32 = 79,415.68/x - Step 3: Cross multiply
97,351.68x = 134,312.32 × 79,415.68 - Step 4: Simplify right side
97,351.68x = 10,666,504,225.18 - Step 5: Solve for x
x = 10,666,504,225.18/97,351.68 - Step 6: Final answer
x = 109,566.72
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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.