Finding the Fourth Proportional to 97,689.05, 134,816.58 and 54,668.18
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Solution
The fourth proportional to 97,689.05, 134,816.58 and 54,668.18 is: 75,445.27
Step by Step Solution
- Step 1: Write the proportion equation
97,689.05 : 134,816.58 = 54,668.18 : x - Step 2: Convert to fraction form
97,689.05/134,816.58 = 54,668.18/x - Step 3: Cross multiply
97,689.05x = 134,816.58 × 54,668.18 - Step 4: Simplify right side
97,689.05x = 7,370,176,925.75 - Step 5: Solve for x
x = 7,370,176,925.75/97,689.05 - Step 6: Final answer
x = 75,445.27
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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.