Finding the Fourth Proportional to 77,652.24, 116,536.23 and 57,707.70
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Solution
The fourth proportional to 77,652.24, 116,536.23 and 57,707.70 is: 86,604.56
Step by Step Solution
- Step 1: Write the proportion equation
77,652.24 : 116,536.23 = 57,707.70 : x - Step 2: Convert to fraction form
77,652.24/116,536.23 = 57,707.70/x - Step 3: Cross multiply
77,652.24x = 116,536.23 × 57,707.70 - Step 4: Simplify right side
77,652.24x = 6,725,037,799.97 - Step 5: Solve for x
x = 6,725,037,799.97/77,652.24 - Step 6: Final answer
x = 86,604.56
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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.