Finding the Fourth Proportional to 74,371.18, 111,601.08 and 26,989.96
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Solution
The fourth proportional to 74,371.18, 111,601.08 and 26,989.96 is: 40,501.02
Step by Step Solution
- Step 1: Write the proportion equation
74,371.18 : 111,601.08 = 26,989.96 : x - Step 2: Convert to fraction form
74,371.18/111,601.08 = 26,989.96/x - Step 3: Cross multiply
74,371.18x = 111,601.08 × 26,989.96 - Step 4: Simplify right side
74,371.18x = 3,012,108,685.16 - Step 5: Solve for x
x = 3,012,108,685.16/74,371.18 - Step 6: Final answer
x = 40,501.02
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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.