Finding the Fourth Proportional to 93,685.68, 129,249.92 and 59,688.08
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Solution
The fourth proportional to 93,685.68, 129,249.92 and 59,688.08 is: 82,346.41
Step by Step Solution
- Step 1: Write the proportion equation
93,685.68 : 129,249.92 = 59,688.08 : x - Step 2: Convert to fraction form
93,685.68/129,249.92 = 59,688.08/x - Step 3: Cross multiply
93,685.68x = 129,249.92 × 59,688.08 - Step 4: Simplify right side
93,685.68x = 7,714,678,620.26 - Step 5: Solve for x
x = 7,714,678,620.26/93,685.68 - Step 6: Final answer
x = 82,346.41
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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.