Finding the Fourth Proportional to 74,425.19, 102,680.93 and 47,583.41
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Solution
The fourth proportional to 74,425.19, 102,680.93 and 47,583.41 is: 65,648.59
Step by Step Solution
- Step 1: Write the proportion equation
74,425.19 : 102,680.93 = 47,583.41 : x - Step 2: Convert to fraction form
74,425.19/102,680.93 = 47,583.41/x - Step 3: Cross multiply
74,425.19x = 102,680.93 × 47,583.41 - Step 4: Simplify right side
74,425.19x = 4,885,908,396.93 - Step 5: Solve for x
x = 4,885,908,396.93/74,425.19 - Step 6: Final answer
x = 65,648.59
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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.