Finding the Fourth Proportional to 126,673.55, 174,806.80 and 69,312.63
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Solution
The fourth proportional to 126,673.55, 174,806.80 and 69,312.63 is: 95,649.96
Step by Step Solution
- Step 1: Write the proportion equation
126,673.55 : 174,806.80 = 69,312.63 : x - Step 2: Convert to fraction form
126,673.55/174,806.80 = 69,312.63/x - Step 3: Cross multiply
126,673.55x = 174,806.80 × 69,312.63 - Step 4: Simplify right side
126,673.55x = 12,116,319,532.13 - Step 5: Solve for x
x = 12,116,319,532.13/126,673.55 - Step 6: Final answer
x = 95,649.96
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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.