Finding the Fourth Proportional to 93,782.05, 140,686.92 and 27,213.53
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Solution
The fourth proportional to 93,782.05, 140,686.92 and 27,213.53 is: 40,824.31
Step by Step Solution
- Step 1: Write the proportion equation
93,782.05 : 140,686.92 = 27,213.53 : x - Step 2: Convert to fraction form
93,782.05/140,686.92 = 27,213.53/x - Step 3: Cross multiply
93,782.05x = 140,686.92 × 27,213.53 - Step 4: Simplify right side
93,782.05x = 3,828,587,014.59 - Step 5: Solve for x
x = 3,828,587,014.59/93,782.05 - Step 6: Final answer
x = 40,824.31
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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.