Finding the Fourth Proportional to 107,659.86, 161,435.50 and 62,695.74
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Solution
The fourth proportional to 107,659.86, 161,435.50 and 62,695.74 is: 94,011.99
Step by Step Solution
- Step 1: Write the proportion equation
107,659.86 : 161,435.50 = 62,695.74 : x - Step 2: Convert to fraction form
107,659.86/161,435.50 = 62,695.74/x - Step 3: Cross multiply
107,659.86x = 161,435.50 × 62,695.74 - Step 4: Simplify right side
107,659.86x = 10,121,318,134.77 - Step 5: Solve for x
x = 10,121,318,134.77/107,659.86 - Step 6: Final answer
x = 94,011.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.