Finding the Fourth Proportional to 100,483.39, 138,661.98 and 59,649.26
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Solution
The fourth proportional to 100,483.39, 138,661.98 and 59,649.26 is: 82,312.95
Step by Step Solution
- Step 1: Write the proportion equation
100,483.39 : 138,661.98 = 59,649.26 : x - Step 2: Convert to fraction form
100,483.39/138,661.98 = 59,649.26/x - Step 3: Cross multiply
100,483.39x = 138,661.98 × 59,649.26 - Step 4: Simplify right side
100,483.39x = 8,271,084,497.13 - Step 5: Solve for x
x = 8,271,084,497.13/100,483.39 - Step 6: Final answer
x = 82,312.95
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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.