Finding the Fourth Proportional to 117,829.18, 162,625.35 and 75,386.26
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Solution
The fourth proportional to 117,829.18, 162,625.35 and 75,386.26 is: 104,046.53
Step by Step Solution
- Step 1: Write the proportion equation
117,829.18 : 162,625.35 = 75,386.26 : x - Step 2: Convert to fraction form
117,829.18/162,625.35 = 75,386.26/x - Step 3: Cross multiply
117,829.18x = 162,625.35 × 75,386.26 - Step 4: Simplify right side
117,829.18x = 12,259,716,917.69 - Step 5: Solve for x
x = 12,259,716,917.69/117,829.18 - Step 6: Final answer
x = 104,046.53
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1.5x scale
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.