Finding the Fourth Proportional to 98,558.52, 136,011.18 and 53,847.48
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Solution
The fourth proportional to 98,558.52, 136,011.18 and 53,847.48 is: 74,309.75
Step by Step Solution
- Step 1: Write the proportion equation
98,558.52 : 136,011.18 = 53,847.48 : x - Step 2: Convert to fraction form
98,558.52/136,011.18 = 53,847.48/x - Step 3: Cross multiply
98,558.52x = 136,011.18 × 53,847.48 - Step 4: Simplify right side
98,558.52x = 7,323,859,294.83 - Step 5: Solve for x
x = 7,323,859,294.83/98,558.52 - Step 6: Final answer
x = 74,309.75
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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.