Finding the Fourth Proportional to 83,397.96, 115,098.84 and 47,593.13
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Solution
The fourth proportional to 83,397.96, 115,098.84 and 47,593.13 is: 65,684.02
Step by Step Solution
- Step 1: Write the proportion equation
83,397.96 : 115,098.84 = 47,593.13 : x - Step 2: Convert to fraction form
83,397.96/115,098.84 = 47,593.13/x - Step 3: Cross multiply
83,397.96x = 115,098.84 × 47,593.13 - Step 4: Simplify right side
83,397.96x = 5,477,913,479.48 - Step 5: Solve for x
x = 5,477,913,479.48/83,397.96 - Step 6: Final answer
x = 65,684.02
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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.