Finding the Fourth Proportional to 98,696.16, 136,195.52 and 55,674.41
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Solution
The fourth proportional to 98,696.16, 136,195.52 and 55,674.41 is: 76,827.75
Step by Step Solution
- Step 1: Write the proportion equation
98,696.16 : 136,195.52 = 55,674.41 : x - Step 2: Convert to fraction form
98,696.16/136,195.52 = 55,674.41/x - Step 3: Cross multiply
98,696.16x = 136,195.52 × 55,674.41 - Step 4: Simplify right side
98,696.16x = 7,582,604,261.29 - Step 5: Solve for x
x = 7,582,604,261.29/98,696.16 - Step 6: Final answer
x = 76,827.75
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1.5x scale
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.