Finding the Fourth Proportional to 79,773.62, 110,099.73 and 60,622.17
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Solution
The fourth proportional to 79,773.62, 110,099.73 and 60,622.17 is: 83,667.82
Step by Step Solution
- Step 1: Write the proportion equation
79,773.62 : 110,099.73 = 60,622.17 : x - Step 2: Convert to fraction form
79,773.62/110,099.73 = 60,622.17/x - Step 3: Cross multiply
79,773.62x = 110,099.73 × 60,622.17 - Step 4: Simplify right side
79,773.62x = 6,674,484,549.01 - Step 5: Solve for x
x = 6,674,484,549.01/79,773.62 - Step 6: Final answer
x = 83,667.82
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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.