Finding the Fourth Proportional to 88,703.20, 122,409.44 and 54,698.08
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Solution
The fourth proportional to 88,703.20, 122,409.44 and 54,698.08 is: 75,482.75
Step by Step Solution
- Step 1: Write the proportion equation
88,703.20 : 122,409.44 = 54,698.08 : x - Step 2: Convert to fraction form
88,703.20/122,409.44 = 54,698.08/x - Step 3: Cross multiply
88,703.20x = 122,409.44 × 54,698.08 - Step 4: Simplify right side
88,703.20x = 6,695,561,341.88 - Step 5: Solve for x
x = 6,695,561,341.88/88,703.20 - Step 6: Final answer
x = 75,482.75
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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.