Finding the Fourth Proportional to 77,202.92, 115,828.99 and 34,501.75
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Solution
The fourth proportional to 77,202.92, 115,828.99 and 34,501.75 is: 51,763.62
Step by Step Solution
- Step 1: Write the proportion equation
77,202.92 : 115,828.99 = 34,501.75 : x - Step 2: Convert to fraction form
77,202.92/115,828.99 = 34,501.75/x - Step 3: Cross multiply
77,202.92x = 115,828.99 × 34,501.75 - Step 4: Simplify right side
77,202.92x = 3,996,302,479.91 - Step 5: Solve for x
x = 3,996,302,479.91/77,202.92 - Step 6: Final answer
x = 51,763.62
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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.