Finding the Fourth Proportional to 94,175.16, 129,970.86 and 53,894.67
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Solution
The fourth proportional to 94,175.16, 129,970.86 and 53,894.67 is: 74,379.87
Step by Step Solution
- Step 1: Write the proportion equation
94,175.16 : 129,970.86 = 53,894.67 : x - Step 2: Convert to fraction form
94,175.16/129,970.86 = 53,894.67/x - Step 3: Cross multiply
94,175.16x = 129,970.86 × 53,894.67 - Step 4: Simplify right side
94,175.16x = 7,004,736,609.32 - Step 5: Solve for x
x = 7,004,736,609.32/94,175.16 - Step 6: Final answer
x = 74,379.87
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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.