Finding the Fourth Proportional to 92,503.68, 127,643.52 and 52,212.48
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Solution
The fourth proportional to 92,503.68, 127,643.52 and 52,212.48 is: 72,046.70
Step by Step Solution
- Step 1: Write the proportion equation
92,503.68 : 127,643.52 = 52,212.48 : x - Step 2: Convert to fraction form
92,503.68/127,643.52 = 52,212.48/x - Step 3: Cross multiply
92,503.68x = 127,643.52 × 52,212.48 - Step 4: Simplify right side
92,503.68x = 6,664,584,735.13 - Step 5: Solve for x
x = 6,664,584,735.13/92,503.68 - Step 6: Final answer
x = 72,046.70
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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.