Finding the Fourth Proportional to 86,565.75, 119,460.74 and 48,839.19
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Solution
The fourth proportional to 86,565.75, 119,460.74 and 48,839.19 is: 67,398.08
Step by Step Solution
- Step 1: Write the proportion equation
86,565.75 : 119,460.74 = 48,839.19 : x - Step 2: Convert to fraction form
86,565.75/119,460.74 = 48,839.19/x - Step 3: Cross multiply
86,565.75x = 119,460.74 × 48,839.19 - Step 4: Simplify right side
86,565.75x = 5,834,365,534.20 - Step 5: Solve for x
x = 5,834,365,534.20/86,565.75 - Step 6: Final answer
x = 67,398.08
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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.