Finding the Fourth Proportional to 74,382.08, 102,599.04 and 47,532.80
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Solution
The fourth proportional to 74,382.08, 102,599.04 and 47,532.80 is: 65,564.44
Step by Step Solution
- Step 1: Write the proportion equation
74,382.08 : 102,599.04 = 47,532.80 : x - Step 2: Convert to fraction form
74,382.08/102,599.04 = 47,532.80/x - Step 3: Cross multiply
74,382.08x = 102,599.04 × 47,532.80 - Step 4: Simplify right side
74,382.08x = 4,876,819,648.51 - Step 5: Solve for x
x = 4,876,819,648.51/74,382.08 - Step 6: Final answer
x = 65,564.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.