Finding the Fourth Proportional to 107,899.68, 148,909.44 and 62,593.14
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Solution
The fourth proportional to 107,899.68, 148,909.44 and 62,593.14 is: 86,383.11
Step by Step Solution
- Step 1: Write the proportion equation
107,899.68 : 148,909.44 = 62,593.14 : x - Step 2: Convert to fraction form
107,899.68/148,909.44 = 62,593.14/x - Step 3: Cross multiply
107,899.68x = 148,909.44 × 62,593.14 - Step 4: Simplify right side
107,899.68x = 9,320,709,425.24 - Step 5: Solve for x
x = 9,320,709,425.24/107,899.68 - Step 6: Final answer
x = 86,383.11
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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.