Finding the Fourth Proportional to 83,572.82, 125,241.36 and 46,149.74
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Solution
The fourth proportional to 83,572.82, 125,241.36 and 46,149.74 is: 69,159.52
Step by Step Solution
- Step 1: Write the proportion equation
83,572.82 : 125,241.36 = 46,149.74 : x - Step 2: Convert to fraction form
83,572.82/125,241.36 = 46,149.74/x - Step 3: Cross multiply
83,572.82x = 125,241.36 × 46,149.74 - Step 4: Simplify right side
83,572.82x = 5,779,856,201.25 - Step 5: Solve for x
x = 5,779,856,201.25/83,572.82 - Step 6: Final answer
x = 69,159.52
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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.