Finding the Fourth Proportional to 103,377.96, 142,652.88 and 62,557.38
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Solution
The fourth proportional to 103,377.96, 142,652.88 and 62,557.38 is: 86,323.92
Step by Step Solution
- Step 1: Write the proportion equation
103,377.96 : 142,652.88 = 62,557.38 : x - Step 2: Convert to fraction form
103,377.96/142,652.88 = 62,557.38/x - Step 3: Cross multiply
103,377.96x = 142,652.88 × 62,557.38 - Step 4: Simplify right side
103,377.96x = 8,923,990,422.25 - Step 5: Solve for x
x = 8,923,990,422.25/103,377.96 - Step 6: Final answer
x = 86,323.92
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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.