Finding the Fourth Proportional to 84,795.09, 117,008.55 and 48,996.63
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Solution
The fourth proportional to 84,795.09, 117,008.55 and 48,996.63 is: 67,610.34
Step by Step Solution
- Step 1: Write the proportion equation
84,795.09 : 117,008.55 = 48,996.63 : x - Step 2: Convert to fraction form
84,795.09/117,008.55 = 48,996.63/x - Step 3: Cross multiply
84,795.09x = 117,008.55 × 48,996.63 - Step 4: Simplify right side
84,795.09x = 5,733,024,631.19 - Step 5: Solve for x
x = 5,733,024,631.19/84,795.09 - Step 6: Final answer
x = 67,610.34
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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.