Finding the Fourth Proportional to 77,754.63, 107,353.04 and 59,817.99
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Solution
The fourth proportional to 77,754.63, 107,353.04 and 59,817.99 is: 82,588.56
Step by Step Solution
- Step 1: Write the proportion equation
77,754.63 : 107,353.04 = 59,817.99 : x - Step 2: Convert to fraction form
77,754.63/107,353.04 = 59,817.99/x - Step 3: Cross multiply
77,754.63x = 107,353.04 × 59,817.99 - Step 4: Simplify right side
77,754.63x = 6,421,642,774.10 - Step 5: Solve for x
x = 6,421,642,774.10/77,754.63 - Step 6: Final answer
x = 82,588.56
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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.