Finding the Fourth Proportional to 83,835.71, 125,766.07 and 27,681.75
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Solution
The fourth proportional to 83,835.71, 125,766.07 and 27,681.75 is: 41,526.75
Step by Step Solution
- Step 1: Write the proportion equation
83,835.71 : 125,766.07 = 27,681.75 : x - Step 2: Convert to fraction form
83,835.71/125,766.07 = 27,681.75/x - Step 3: Cross multiply
83,835.71x = 125,766.07 × 27,681.75 - Step 4: Simplify right side
83,835.71x = 3,481,424,839.02 - Step 5: Solve for x
x = 3,481,424,839.02/83,835.71 - Step 6: Final answer
x = 41,526.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.