Finding the Fourth Proportional to 97,179.04, 134,140.62 and 56,905.75
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Solution
The fourth proportional to 97,179.04, 134,140.62 and 56,905.75 is: 78,549.58
Step by Step Solution
- Step 1: Write the proportion equation
97,179.04 : 134,140.62 = 56,905.75 : x - Step 2: Convert to fraction form
97,179.04/134,140.62 = 56,905.75/x - Step 3: Cross multiply
97,179.04x = 134,140.62 × 56,905.75 - Step 4: Simplify right side
97,179.04x = 7,633,372,586.57 - Step 5: Solve for x
x = 7,633,372,586.57/97,179.04 - Step 6: Final answer
x = 78,549.58
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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.