Finding the Fourth Proportional to 98,529.68, 135,956.04 and 55,503.02
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Solution
The fourth proportional to 98,529.68, 135,956.04 and 55,503.02 is: 76,585.76
Step by Step Solution
- Step 1: Write the proportion equation
98,529.68 : 135,956.04 = 55,503.02 : x - Step 2: Convert to fraction form
98,529.68/135,956.04 = 55,503.02/x - Step 3: Cross multiply
98,529.68x = 135,956.04 × 55,503.02 - Step 4: Simplify right side
98,529.68x = 7,545,970,807.24 - Step 5: Solve for x
x = 7,545,970,807.24/98,529.68 - Step 6: Final answer
x = 76,585.76
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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.