Finding the Fourth Proportional to 86,340.08, 119,153.56 and 48,618.48
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Solution
The fourth proportional to 86,340.08, 119,153.56 and 48,618.48 is: 67,095.90
Step by Step Solution
- Step 1: Write the proportion equation
86,340.08 : 119,153.56 = 48,618.48 : x - Step 2: Convert to fraction form
86,340.08/119,153.56 = 48,618.48/x - Step 3: Cross multiply
86,340.08x = 119,153.56 × 48,618.48 - Step 4: Simplify right side
86,340.08x = 5,793,064,973.79 - Step 5: Solve for x
x = 5,793,064,973.79/86,340.08 - Step 6: Final answer
x = 67,095.90
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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.