Finding the Fourth Proportional to 86,618.94, 119,526.36 and 48,373.18
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Solution
The fourth proportional to 86,618.94, 119,526.36 and 48,373.18 is: 66,750.65
Step by Step Solution
- Step 1: Write the proportion equation
86,618.94 : 119,526.36 = 48,373.18 : x - Step 2: Convert to fraction form
86,618.94/119,526.36 = 48,373.18/x - Step 3: Cross multiply
86,618.94x = 119,526.36 × 48,373.18 - Step 4: Simplify right side
86,618.94x = 5,781,870,630.76 - Step 5: Solve for x
x = 5,781,870,630.76/86,618.94 - Step 6: Final answer
x = 66,750.65
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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.