Finding the Fourth Proportional to 126,582.75, 174,706.07 and 76,281.75
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Solution
The fourth proportional to 126,582.75, 174,706.07 and 76,281.75 is: 105,281.99
Step by Step Solution
- Step 1: Write the proportion equation
126,582.75 : 174,706.07 = 76,281.75 : x - Step 2: Convert to fraction form
126,582.75/174,706.07 = 76,281.75/x - Step 3: Cross multiply
126,582.75x = 174,706.07 × 76,281.75 - Step 4: Simplify right side
126,582.75x = 13,326,884,373.81 - Step 5: Solve for x
x = 13,326,884,373.81/126,582.75 - Step 6: Final answer
x = 105,281.99
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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.