Finding the Fourth Proportional to 126,685.13, 174,823.97 and 69,323.84
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Solution
The fourth proportional to 126,685.13, 174,823.97 and 69,323.84 is: 95,666.06
Step by Step Solution
- Step 1: Write the proportion equation
126,685.13 : 174,823.97 = 69,323.84 : x - Step 2: Convert to fraction form
126,685.13/174,823.97 = 69,323.84/x - Step 3: Cross multiply
126,685.13x = 174,823.97 × 69,323.84 - Step 4: Simplify right side
126,685.13x = 12,119,467,703.71 - Step 5: Solve for x
x = 12,119,467,703.71/126,685.13 - Step 6: Final answer
x = 95,666.06
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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.