Finding the Fourth Proportional to 129,750.84, 179,056.06 and 70,134.84
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Solution
The fourth proportional to 129,750.84, 179,056.06 and 70,134.84 is: 96,786.03
Step by Step Solution
- Step 1: Write the proportion equation
129,750.84 : 179,056.06 = 70,134.84 : x - Step 2: Convert to fraction form
129,750.84/179,056.06 = 70,134.84/x - Step 3: Cross multiply
129,750.84x = 179,056.06 × 70,134.84 - Step 4: Simplify right side
129,750.84x = 12,558,068,119.13 - Step 5: Solve for x
x = 12,558,068,119.13/129,750.84 - Step 6: Final answer
x = 96,786.03
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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.