Finding the Fourth Proportional to 126,460.84, 174,519.48 and 69,875.88
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Solution
The fourth proportional to 126,460.84, 174,519.48 and 69,875.88 is: 96,430.66
Step by Step Solution
- Step 1: Write the proportion equation
126,460.84 : 174,519.48 = 69,875.88 : x - Step 2: Convert to fraction form
126,460.84/174,519.48 = 69,875.88/x - Step 3: Cross multiply
126,460.84x = 174,519.48 × 69,875.88 - Step 4: Simplify right side
126,460.84x = 12,194,702,242.14 - Step 5: Solve for x
x = 12,194,702,242.14/126,460.84 - Step 6: Final answer
x = 96,430.66
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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.