Finding the Fourth Proportional to 77,565.02, 107,028.06 and 43,566.99
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Solution
The fourth proportional to 77,565.02, 107,028.06 and 43,566.99 is: 60,115.90
Step by Step Solution
- Step 1: Write the proportion equation
77,565.02 : 107,028.06 = 43,566.99 : x - Step 2: Convert to fraction form
77,565.02/107,028.06 = 43,566.99/x - Step 3: Cross multiply
77,565.02x = 107,028.06 × 43,566.99 - Step 4: Simplify right side
77,565.02x = 4,662,890,419.74 - Step 5: Solve for x
x = 4,662,890,419.74/77,565.02 - Step 6: Final answer
x = 60,115.90
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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.