Finding the Fourth Proportional to 90,365.63, 135,508.95 and 48,236.11
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Solution
The fourth proportional to 90,365.63, 135,508.95 and 48,236.11 is: 72,333.08
Step by Step Solution
- Step 1: Write the proportion equation
90,365.63 : 135,508.95 = 48,236.11 : x - Step 2: Convert to fraction form
90,365.63/135,508.95 = 48,236.11/x - Step 3: Cross multiply
90,365.63x = 135,508.95 × 48,236.11 - Step 4: Simplify right side
90,365.63x = 6,536,424,279.41 - Step 5: Solve for x
x = 6,536,424,279.41/90,365.63 - Step 6: Final answer
x = 72,333.08
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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.