Finding the Fourth Proportional to 127,962.29, 176,597.97 and 70,612.99
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Solution
The fourth proportional to 127,962.29, 176,597.97 and 70,612.99 is: 97,451.45
Step by Step Solution
- Step 1: Write the proportion equation
127,962.29 : 176,597.97 = 70,612.99 : x - Step 2: Convert to fraction form
127,962.29/176,597.97 = 70,612.99/x - Step 3: Cross multiply
127,962.29x = 176,597.97 × 70,612.99 - Step 4: Simplify right side
127,962.29x = 12,470,110,689.63 - Step 5: Solve for x
x = 12,470,110,689.63/127,962.29 - Step 6: Final answer
x = 97,451.45
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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.