Finding the Fourth Proportional to 97,553.14, 134,462.26 and 65,276.20
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Solution
The fourth proportional to 97,553.14, 134,462.26 and 65,276.20 is: 89,973.38
Step by Step Solution
- Step 1: Write the proportion equation
97,553.14 : 134,462.26 = 65,276.20 : x - Step 2: Convert to fraction form
97,553.14/134,462.26 = 65,276.20/x - Step 3: Cross multiply
97,553.14x = 134,462.26 × 65,276.20 - Step 4: Simplify right side
97,553.14x = 8,777,185,376.21 - Step 5: Solve for x
x = 8,777,185,376.21/97,553.14 - Step 6: Final answer
x = 89,973.38
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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.