Finding the Fourth Proportional to 83,489.00, 125,274.60 and 39,108.08
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Solution
The fourth proportional to 83,489.00, 125,274.60 and 39,108.08 is: 58,681.38
Step by Step Solution
- Step 1: Write the proportion equation
83,489.00 : 125,274.60 = 39,108.08 : x - Step 2: Convert to fraction form
83,489.00/125,274.60 = 39,108.08/x - Step 3: Cross multiply
83,489.00x = 125,274.60 × 39,108.08 - Step 4: Simplify right side
83,489.00x = 4,899,249,391.95 - Step 5: Solve for x
x = 4,899,249,391.95/83,489.00 - Step 6: Final answer
x = 58,681.38
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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.