Finding the Fourth Proportional to 86,497.03, 119,188.75 and 63,800.09
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Solution
The fourth proportional to 86,497.03, 119,188.75 and 63,800.09 is: 87,913.45
Step by Step Solution
- Step 1: Write the proportion equation
86,497.03 : 119,188.75 = 63,800.09 : x - Step 2: Convert to fraction form
86,497.03/119,188.75 = 63,800.09/x - Step 3: Cross multiply
86,497.03x = 119,188.75 × 63,800.09 - Step 4: Simplify right side
86,497.03x = 7,604,252,062.04 - Step 5: Solve for x
x = 7,604,252,062.04/86,497.03 - Step 6: Final answer
x = 87,913.45
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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.