Finding the Fourth Proportional to 86,833.13, 119,829.71 and 47,089.13
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Solution
The fourth proportional to 86,833.13, 119,829.71 and 47,089.13 is: 64,982.99
Step by Step Solution
- Step 1: Write the proportion equation
86,833.13 : 119,829.71 = 47,089.13 : x - Step 2: Convert to fraction form
86,833.13/119,829.71 = 47,089.13/x - Step 3: Cross multiply
86,833.13x = 119,829.71 × 47,089.13 - Step 4: Simplify right side
86,833.13x = 5,642,676,310.63 - Step 5: Solve for x
x = 5,642,676,310.63/86,833.13 - Step 6: Final answer
x = 64,982.99
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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.