Finding the Fourth Proportional to 93,956.76, 129,657.69 and 53,669.70
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Solution
The fourth proportional to 93,956.76, 129,657.69 and 53,669.70 is: 74,062.68
Step by Step Solution
- Step 1: Write the proportion equation
93,956.76 : 129,657.69 = 53,669.70 : x - Step 2: Convert to fraction form
93,956.76/129,657.69 = 53,669.70/x - Step 3: Cross multiply
93,956.76x = 129,657.69 × 53,669.70 - Step 4: Simplify right side
93,956.76x = 6,958,689,324.99 - Step 5: Solve for x
x = 6,958,689,324.99/93,956.76 - Step 6: Final answer
x = 74,062.68
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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.