Finding the Fourth Proportional to 86,130.08, 129,194.96 and 22,950.24
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Solution
The fourth proportional to 86,130.08, 129,194.96 and 22,950.24 is: 34,425.32
Step by Step Solution
- Step 1: Write the proportion equation
86,130.08 : 129,194.96 = 22,950.24 : x - Step 2: Convert to fraction form
86,130.08/129,194.96 = 22,950.24/x - Step 3: Cross multiply
86,130.08x = 129,194.96 × 22,950.24 - Step 4: Simplify right side
86,130.08x = 2,965,055,338.79 - Step 5: Solve for x
x = 2,965,055,338.79/86,130.08 - Step 6: Final answer
x = 34,425.32
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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.