Finding the Fourth Proportional to 97,357.64, 134,414.38 and 74,653.02
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Solution
The fourth proportional to 97,357.64, 134,414.38 and 74,653.02 is: 103,067.82
Step by Step Solution
- Step 1: Write the proportion equation
97,357.64 : 134,414.38 = 74,653.02 : x - Step 2: Convert to fraction form
97,357.64/134,414.38 = 74,653.02/x - Step 3: Cross multiply
97,357.64x = 134,414.38 × 74,653.02 - Step 4: Simplify right side
97,357.64x = 10,034,439,398.43 - Step 5: Solve for x
x = 10,034,439,398.43/97,357.64 - Step 6: Final answer
x = 103,067.82
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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.