Finding the Fourth Proportional to 83,748.03, 125,757.36 and 55,330.70
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Solution
The fourth proportional to 83,748.03, 125,757.36 and 55,330.70 is: 83,085.45
Step by Step Solution
- Step 1: Write the proportion equation
83,748.03 : 125,757.36 = 55,330.70 : x - Step 2: Convert to fraction form
83,748.03/125,757.36 = 55,330.70/x - Step 3: Cross multiply
83,748.03x = 125,757.36 × 55,330.70 - Step 4: Simplify right side
83,748.03x = 6,958,242,130.17 - Step 5: Solve for x
x = 6,958,242,130.17/83,748.03 - Step 6: Final answer
x = 83,085.45
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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.