Finding the Fourth Proportional to 73,952.58, 102,129.12 and 47,107.11
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Solution
The fourth proportional to 73,952.58, 102,129.12 and 47,107.11 is: 65,055.31
Step by Step Solution
- Step 1: Write the proportion equation
73,952.58 : 102,129.12 = 47,107.11 : x - Step 2: Convert to fraction form
73,952.58/102,129.12 = 47,107.11/x - Step 3: Cross multiply
73,952.58x = 102,129.12 × 47,107.11 - Step 4: Simplify right side
73,952.58x = 4,811,007,690.04 - Step 5: Solve for x
x = 4,811,007,690.04/73,952.58 - Step 6: Final answer
x = 65,055.31
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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.