Finding the Fourth Proportional to 96,427.44, 133,062.21 and 53,980.20
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Solution
The fourth proportional to 96,427.44, 133,062.21 and 53,980.20 is: 74,488.39
Step by Step Solution
- Step 1: Write the proportion equation
96,427.44 : 133,062.21 = 53,980.20 : x - Step 2: Convert to fraction form
96,427.44/133,062.21 = 53,980.20/x - Step 3: Cross multiply
96,427.44x = 133,062.21 × 53,980.20 - Step 4: Simplify right side
96,427.44x = 7,182,724,708.24 - Step 5: Solve for x
x = 7,182,724,708.24/96,427.44 - Step 6: Final answer
x = 74,488.39
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Half scale
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Double scale
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Similar ratio
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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.