Finding the Fourth Proportional to 76,427.87, 114,534.99 and 65,124.18
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Solution
The fourth proportional to 76,427.87, 114,534.99 and 65,124.18 is: 97,595.26
Step by Step Solution
- Step 1: Write the proportion equation
76,427.87 : 114,534.99 = 65,124.18 : x - Step 2: Convert to fraction form
76,427.87/114,534.99 = 65,124.18/x - Step 3: Cross multiply
76,427.87x = 114,534.99 × 65,124.18 - Step 4: Simplify right side
76,427.87x = 7,458,997,305.06 - Step 5: Solve for x
x = 7,458,997,305.06/76,427.87 - Step 6: Final answer
x = 97,595.26
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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.