Finding the Fourth Proportional to 106,953.96, 160,444.68 and 49,988.08
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Solution
The fourth proportional to 106,953.96, 160,444.68 and 49,988.08 is: 74,988.54
Step by Step Solution
- Step 1: Write the proportion equation
106,953.96 : 160,444.68 = 49,988.08 : x - Step 2: Convert to fraction form
106,953.96/160,444.68 = 49,988.08/x - Step 3: Cross multiply
106,953.96x = 160,444.68 × 49,988.08 - Step 4: Simplify right side
106,953.96x = 8,020,321,499.41 - Step 5: Solve for x
x = 8,020,321,499.41/106,953.96 - Step 6: Final answer
x = 74,988.54
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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.