Finding the Fourth Proportional to 83,471.08, 125,176.86 and 39,090.28
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Solution
The fourth proportional to 83,471.08, 125,176.86 and 39,090.28 is: 58,621.48
Step by Step Solution
- Step 1: Write the proportion equation
83,471.08 : 125,176.86 = 39,090.28 : x - Step 2: Convert to fraction form
83,471.08/125,176.86 = 39,090.28/x - Step 3: Cross multiply
83,471.08x = 125,176.86 × 39,090.28 - Step 4: Simplify right side
83,471.08x = 4,893,198,506.92 - Step 5: Solve for x
x = 4,893,198,506.92/83,471.08 - Step 6: Final answer
x = 58,621.48
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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.