Finding the Fourth Proportional to 86,497.74, 119,373.75 and 48,269.79
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Solution
The fourth proportional to 86,497.74, 119,373.75 and 48,269.79 is: 66,616.14
Step by Step Solution
- Step 1: Write the proportion equation
86,497.74 : 119,373.75 = 48,269.79 : x - Step 2: Convert to fraction form
86,497.74/119,373.75 = 48,269.79/x - Step 3: Cross multiply
86,497.74x = 119,373.75 × 48,269.79 - Step 4: Simplify right side
86,497.74x = 5,762,145,844.01 - Step 5: Solve for x
x = 5,762,145,844.01/86,497.74 - Step 6: Final answer
x = 66,616.14
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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.