Finding the Fourth Proportional to 83,478.41, 125,232.19 and 36,730.07
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Solution
The fourth proportional to 83,478.41, 125,232.19 and 36,730.07 is: 55,101.52
Step by Step Solution
- Step 1: Write the proportion equation
83,478.41 : 125,232.19 = 36,730.07 : x - Step 2: Convert to fraction form
83,478.41/125,232.19 = 36,730.07/x - Step 3: Cross multiply
83,478.41x = 125,232.19 × 36,730.07 - Step 4: Simplify right side
83,478.41x = 4,599,787,104.95 - Step 5: Solve for x
x = 4,599,787,104.95/83,478.41 - Step 6: Final answer
x = 55,101.52
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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.