Finding the Fourth Proportional to 86,684.02, 119,623.99 and 48,445.14
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Solution
The fourth proportional to 86,684.02, 119,623.99 and 48,445.14 is: 66,854.31
Step by Step Solution
- Step 1: Write the proportion equation
86,684.02 : 119,623.99 = 48,445.14 : x - Step 2: Convert to fraction form
86,684.02/119,623.99 = 48,445.14/x - Step 3: Cross multiply
86,684.02x = 119,623.99 × 48,445.14 - Step 4: Simplify right side
86,684.02x = 5,795,200,688.34 - Step 5: Solve for x
x = 5,795,200,688.34/86,684.02 - Step 6: Final answer
x = 66,854.31
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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.