Finding the Fourth Proportional to 83,360.52, 125,040.24 and 21,031.08
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Solution
The fourth proportional to 83,360.52, 125,040.24 and 21,031.08 is: 31,546.48
Step by Step Solution
- Step 1: Write the proportion equation
83,360.52 : 125,040.24 = 21,031.08 : x - Step 2: Convert to fraction form
83,360.52/125,040.24 = 21,031.08/x - Step 3: Cross multiply
83,360.52x = 125,040.24 × 21,031.08 - Step 4: Simplify right side
83,360.52x = 2,629,731,290.66 - Step 5: Solve for x
x = 2,629,731,290.66/83,360.52 - Step 6: Final answer
x = 31,546.48
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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.