Finding the Fourth Proportional to 77,166.74, 115,750.01 and 50,679.95
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Solution
The fourth proportional to 77,166.74, 115,750.01 and 50,679.95 is: 76,019.85
Step by Step Solution
- Step 1: Write the proportion equation
77,166.74 : 115,750.01 = 50,679.95 : x - Step 2: Convert to fraction form
77,166.74/115,750.01 = 50,679.95/x - Step 3: Cross multiply
77,166.74x = 115,750.01 × 50,679.95 - Step 4: Simplify right side
77,166.74x = 5,866,204,267.25 - Step 5: Solve for x
x = 5,866,204,267.25/77,166.74 - Step 6: Final answer
x = 76,019.85
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1.5x scale
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.