Finding the Fourth Proportional to 84,104.41, 126,156.62 and 39,735.63
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Solution
The fourth proportional to 84,104.41, 126,156.62 and 39,735.63 is: 59,603.45
Step by Step Solution
- Step 1: Write the proportion equation
84,104.41 : 126,156.62 = 39,735.63 : x - Step 2: Convert to fraction form
84,104.41/126,156.62 = 39,735.63/x - Step 3: Cross multiply
84,104.41x = 126,156.62 × 39,735.63 - Step 4: Simplify right side
84,104.41x = 5,012,912,774.37 - Step 5: Solve for x
x = 5,012,912,774.37/84,104.41 - Step 6: Final answer
x = 59,603.45
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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.