Finding the Fourth Proportional to 125,840.64, 173,659.97 and 69,252.02
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Solution
The fourth proportional to 125,840.64, 173,659.97 and 69,252.02 is: 95,567.72
Step by Step Solution
- Step 1: Write the proportion equation
125,840.64 : 173,659.97 = 69,252.02 : x - Step 2: Convert to fraction form
125,840.64/173,659.97 = 69,252.02/x - Step 3: Cross multiply
125,840.64x = 173,659.97 × 69,252.02 - Step 4: Simplify right side
125,840.64x = 12,026,302,501.08 - Step 5: Solve for x
x = 12,026,302,501.08/125,840.64 - Step 6: Final answer
x = 95,567.72
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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.