Finding the Fourth Proportional to 88,740.63, 122,462.37 and 56,909.66
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Solution
The fourth proportional to 88,740.63, 122,462.37 and 56,909.66 is: 78,535.52
Step by Step Solution
- Step 1: Write the proportion equation
88,740.63 : 122,462.37 = 56,909.66 : x - Step 2: Convert to fraction form
88,740.63/122,462.37 = 56,909.66/x - Step 3: Cross multiply
88,740.63x = 122,462.37 × 56,909.66 - Step 4: Simplify right side
88,740.63x = 6,969,291,227.18 - Step 5: Solve for x
x = 6,969,291,227.18/88,740.63 - Step 6: Final answer
x = 78,535.52
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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.