Finding the Fourth Proportional to 86,473.90, 119,334.64 and 48,235.96
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Solution
The fourth proportional to 86,473.90, 119,334.64 and 48,235.96 is: 66,565.98
Step by Step Solution
- Step 1: Write the proportion equation
86,473.90 : 119,334.64 = 48,235.96 : x - Step 2: Convert to fraction form
86,473.90/119,334.64 = 48,235.96/x - Step 3: Cross multiply
86,473.90x = 119,334.64 × 48,235.96 - Step 4: Simplify right side
86,473.90x = 5,756,220,505.08 - Step 5: Solve for x
x = 5,756,220,505.08/86,473.90 - Step 6: Final answer
x = 66,565.98
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1.5x scale
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.