Finding the Fourth Proportional to 85,926.08, 128,901.12 and 26,766.08
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Solution
The fourth proportional to 85,926.08, 128,901.12 and 26,766.08 is: 40,152.86
Step by Step Solution
- Step 1: Write the proportion equation
85,926.08 : 128,901.12 = 26,766.08 : x - Step 2: Convert to fraction form
85,926.08/128,901.12 = 26,766.08/x - Step 3: Cross multiply
85,926.08x = 128,901.12 × 26,766.08 - Step 4: Simplify right side
85,926.08x = 3,450,177,690.01 - Step 5: Solve for x
x = 3,450,177,690.01/85,926.08 - Step 6: Final answer
x = 40,152.86
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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.