Finding the Fourth Proportional to 77,582.59, 107,076.14 and 45,754.99
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Solution
The fourth proportional to 77,582.59, 107,076.14 and 45,754.99 is: 63,149.06
Step by Step Solution
- Step 1: Write the proportion equation
77,582.59 : 107,076.14 = 45,754.99 : x - Step 2: Convert to fraction form
77,582.59/107,076.14 = 45,754.99/x - Step 3: Cross multiply
77,582.59x = 107,076.14 × 45,754.99 - Step 4: Simplify right side
77,582.59x = 4,899,267,486.16 - Step 5: Solve for x
x = 4,899,267,486.16/77,582.59 - Step 6: Final answer
x = 63,149.06
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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.