Finding the Fourth Proportional to 75,952.14, 113,937.30 and 31,608.87
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Solution
The fourth proportional to 75,952.14, 113,937.30 and 31,608.87 is: 47,417.09
Step by Step Solution
- Step 1: Write the proportion equation
75,952.14 : 113,937.30 = 31,608.87 : x - Step 2: Convert to fraction form
75,952.14/113,937.30 = 31,608.87/x - Step 3: Cross multiply
75,952.14x = 113,937.30 × 31,608.87 - Step 4: Simplify right side
75,952.14x = 3,601,429,303.85 - Step 5: Solve for x
x = 3,601,429,303.85/75,952.14 - Step 6: Final answer
x = 47,417.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.