Finding the Fourth Proportional to 97,311.65, 145,914.48 and 43,941.08
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Solution
The fourth proportional to 97,311.65, 145,914.48 and 43,941.08 is: 65,887.70
Step by Step Solution
- Step 1: Write the proportion equation
97,311.65 : 145,914.48 = 43,941.08 : x - Step 2: Convert to fraction form
97,311.65/145,914.48 = 43,941.08/x - Step 3: Cross multiply
97,311.65x = 145,914.48 × 43,941.08 - Step 4: Simplify right side
97,311.65x = 6,411,640,203.62 - Step 5: Solve for x
x = 6,411,640,203.62/97,311.65 - Step 6: Final answer
x = 65,887.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.