Finding the Fourth Proportional to 91,599.24, 126,425.37 and 62,605.02
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Solution
The fourth proportional to 91,599.24, 126,425.37 and 62,605.02 is: 86,407.52
Step by Step Solution
- Step 1: Write the proportion equation
91,599.24 : 126,425.37 = 62,605.02 : x - Step 2: Convert to fraction form
91,599.24/126,425.37 = 62,605.02/x - Step 3: Cross multiply
91,599.24x = 126,425.37 × 62,605.02 - Step 4: Simplify right side
91,599.24x = 7,914,862,817.36 - Step 5: Solve for x
x = 7,914,862,817.36/91,599.24 - Step 6: Final answer
x = 86,407.52
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1.5x scale
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.