Finding the Fourth Proportional to 88,730.91, 132,946.03 and 53,596.75
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Solution
The fourth proportional to 88,730.91, 132,946.03 and 53,596.75 is: 80,304.32
Step by Step Solution
- Step 1: Write the proportion equation
88,730.91 : 132,946.03 = 53,596.75 : x - Step 2: Convert to fraction form
88,730.91/132,946.03 = 53,596.75/x - Step 3: Cross multiply
88,730.91x = 132,946.03 × 53,596.75 - Step 4: Simplify right side
88,730.91x = 7,125,475,133.40 - Step 5: Solve for x
x = 7,125,475,133.40/88,730.91 - Step 6: Final answer
x = 80,304.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.