Finding the Fourth Proportional to 96,801.12, 145,129.68 and 40,657.68
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Solution
The fourth proportional to 96,801.12, 145,129.68 and 40,657.68 is: 60,956.28
Step by Step Solution
- Step 1: Write the proportion equation
96,801.12 : 145,129.68 = 40,657.68 : x - Step 2: Convert to fraction form
96,801.12/145,129.68 = 40,657.68/x - Step 3: Cross multiply
96,801.12x = 145,129.68 × 40,657.68 - Step 4: Simplify right side
96,801.12x = 5,900,636,087.94 - Step 5: Solve for x
x = 5,900,636,087.94/96,801.12 - Step 6: Final answer
x = 60,956.28
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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.