Finding the Fourth Proportional to 77,030.53, 115,544.24 and 34,902.75
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Solution
The fourth proportional to 77,030.53, 115,544.24 and 34,902.75 is: 52,353.43
Step by Step Solution
- Step 1: Write the proportion equation
77,030.53 : 115,544.24 = 34,902.75 : x - Step 2: Convert to fraction form
77,030.53/115,544.24 = 34,902.75/x - Step 3: Cross multiply
77,030.53x = 115,544.24 × 34,902.75 - Step 4: Simplify right side
77,030.53x = 4,032,812,267.19 - Step 5: Solve for x
x = 4,032,812,267.19/77,030.53 - Step 6: Final answer
x = 52,353.43
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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.