Finding the Fourth Proportional to 125,035.08, 172,541.94 and 68,435.72
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Solution
The fourth proportional to 125,035.08, 172,541.94 and 68,435.72 is: 94,437.75
Step by Step Solution
- Step 1: Write the proportion equation
125,035.08 : 172,541.94 = 68,435.72 : x - Step 2: Convert to fraction form
125,035.08/172,541.94 = 68,435.72/x - Step 3: Cross multiply
125,035.08x = 172,541.94 × 68,435.72 - Step 4: Simplify right side
125,035.08x = 11,808,031,894.10 - Step 5: Solve for x
x = 11,808,031,894.10/125,035.08 - Step 6: Final answer
x = 94,437.75
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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.