Finding the Fourth Proportional to 113,035.04, 155,993.12 and 62,734.08
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Solution
The fourth proportional to 113,035.04, 155,993.12 and 62,734.08 is: 86,575.67
Step by Step Solution
- Step 1: Write the proportion equation
113,035.04 : 155,993.12 = 62,734.08 : x - Step 2: Convert to fraction form
113,035.04/155,993.12 = 62,734.08/x - Step 3: Cross multiply
113,035.04x = 155,993.12 × 62,734.08 - Step 4: Simplify right side
113,035.04x = 9,786,084,869.53 - Step 5: Solve for x
x = 9,786,084,869.53/113,035.04 - Step 6: Final answer
x = 86,575.67
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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.