Finding the Fourth Proportional to 97,837.93, 134,985.74 and 54,811.64
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Solution
The fourth proportional to 97,837.93, 134,985.74 and 54,811.64 is: 75,622.92
Step by Step Solution
- Step 1: Write the proportion equation
97,837.93 : 134,985.74 = 54,811.64 : x - Step 2: Convert to fraction form
97,837.93/134,985.74 = 54,811.64/x - Step 3: Cross multiply
97,837.93x = 134,985.74 × 54,811.64 - Step 4: Simplify right side
97,837.93x = 7,398,789,398.44 - Step 5: Solve for x
x = 7,398,789,398.44/97,837.93 - Step 6: Final answer
x = 75,622.92
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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.