Finding the Fourth Proportional to 86,030.24, 129,095.48 and 36,106.52
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Solution
The fourth proportional to 86,030.24, 129,095.48 and 36,106.52 is: 54,180.82
Step by Step Solution
- Step 1: Write the proportion equation
86,030.24 : 129,095.48 = 36,106.52 : x - Step 2: Convert to fraction form
86,030.24/129,095.48 = 36,106.52/x - Step 3: Cross multiply
86,030.24x = 129,095.48 × 36,106.52 - Step 4: Simplify right side
86,030.24x = 4,661,188,530.53 - Step 5: Solve for x
x = 4,661,188,530.53/86,030.24 - Step 6: Final answer
x = 54,180.82
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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.