Finding the Fourth Proportional to 97,100.16, 145,668.62 and 37,932.09
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Solution
The fourth proportional to 97,100.16, 145,668.62 and 37,932.09 is: 56,905.32
Step by Step Solution
- Step 1: Write the proportion equation
97,100.16 : 145,668.62 = 37,932.09 : x - Step 2: Convert to fraction form
97,100.16/145,668.62 = 37,932.09/x - Step 3: Cross multiply
97,100.16x = 145,668.62 × 37,932.09 - Step 4: Simplify right side
97,100.16x = 5,525,515,204.02 - Step 5: Solve for x
x = 5,525,515,204.02/97,100.16 - Step 6: Final answer
x = 56,905.32
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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.