Finding the Fourth Proportional to 73,218.22, 101,030.58 and 40,952.68
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Solution
The fourth proportional to 73,218.22, 101,030.58 and 40,952.68 is: 56,508.79
Step by Step Solution
- Step 1: Write the proportion equation
73,218.22 : 101,030.58 = 40,952.68 : x - Step 2: Convert to fraction form
73,218.22/101,030.58 = 40,952.68/x - Step 3: Cross multiply
73,218.22x = 101,030.58 × 40,952.68 - Step 4: Simplify right side
73,218.22x = 4,137,473,012.95 - Step 5: Solve for x
x = 4,137,473,012.95/73,218.22 - Step 6: Final answer
x = 56,508.79
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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.