Finding the Fourth Proportional to 127,580.58, 176,056.74 and 70,219.62
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Solution
The fourth proportional to 127,580.58, 176,056.74 and 70,219.62 is: 96,900.62
Step by Step Solution
- Step 1: Write the proportion equation
127,580.58 : 176,056.74 = 70,219.62 : x - Step 2: Convert to fraction form
127,580.58/176,056.74 = 70,219.62/x - Step 3: Cross multiply
127,580.58x = 176,056.74 × 70,219.62 - Step 4: Simplify right side
127,580.58x = 12,362,637,381.24 - Step 5: Solve for x
x = 12,362,637,381.24/127,580.58 - Step 6: Final answer
x = 96,900.62
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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.