Finding the Fourth Proportional to 98,095.62, 135,376.41 and 57,811.08
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Solution
The fourth proportional to 98,095.62, 135,376.41 and 57,811.08 is: 79,781.92
Step by Step Solution
- Step 1: Write the proportion equation
98,095.62 : 135,376.41 = 57,811.08 : x - Step 2: Convert to fraction form
98,095.62/135,376.41 = 57,811.08/x - Step 3: Cross multiply
98,095.62x = 135,376.41 × 57,811.08 - Step 4: Simplify right side
98,095.62x = 7,826,256,468.62 - Step 5: Solve for x
x = 7,826,256,468.62/98,095.62 - Step 6: Final answer
x = 79,781.92
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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.