Finding the Fourth Proportional to 127,925.44, 176,537.79 and 70,566.77
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Solution
The fourth proportional to 127,925.44, 176,537.79 and 70,566.77 is: 97,382.52
Step by Step Solution
- Step 1: Write the proportion equation
127,925.44 : 176,537.79 = 70,566.77 : x - Step 2: Convert to fraction form
127,925.44/176,537.79 = 70,566.77/x - Step 3: Cross multiply
127,925.44x = 176,537.79 × 70,566.77 - Step 4: Simplify right side
127,925.44x = 12,457,701,623.24 - Step 5: Solve for x
x = 12,457,701,623.24/127,925.44 - Step 6: Final answer
x = 97,382.52
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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.