Finding the Fourth Proportional to 93,939.66, 129,634.04 and 53,652.58
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Solution
The fourth proportional to 93,939.66, 129,634.04 and 53,652.58 is: 74,039.02
Step by Step Solution
- Step 1: Write the proportion equation
93,939.66 : 129,634.04 = 53,652.58 : x - Step 2: Convert to fraction form
93,939.66/129,634.04 = 53,652.58/x - Step 3: Cross multiply
93,939.66x = 129,634.04 × 53,652.58 - Step 4: Simplify right side
93,939.66x = 6,955,200,701.82 - Step 5: Solve for x
x = 6,955,200,701.82/93,939.66 - Step 6: Final answer
x = 74,039.02
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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.