Finding the Fourth Proportional to 96,427.26, 133,068.16 and 53,987.31
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Solution
The fourth proportional to 96,427.26, 133,068.16 and 53,987.31 is: 74,501.67
Step by Step Solution
- Step 1: Write the proportion equation
96,427.26 : 133,068.16 = 53,987.31 : x - Step 2: Convert to fraction form
96,427.26/133,068.16 = 53,987.31/x - Step 3: Cross multiply
96,427.26x = 133,068.16 × 53,987.31 - Step 4: Simplify right side
96,427.26x = 7,183,992,005.05 - Step 5: Solve for x
x = 7,183,992,005.05/96,427.26 - Step 6: Final answer
x = 74,501.67
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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.