Finding the Fourth Proportional to 117,010.79, 161,474.76 and 63,295.67
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Solution
The fourth proportional to 117,010.79, 161,474.76 and 63,295.67 is: 87,347.95
Step by Step Solution
- Step 1: Write the proportion equation
117,010.79 : 161,474.76 = 63,295.67 : x - Step 2: Convert to fraction form
117,010.79/161,474.76 = 63,295.67/x - Step 3: Cross multiply
117,010.79x = 161,474.76 × 63,295.67 - Step 4: Simplify right side
117,010.79x = 10,220,652,314.92 - Step 5: Solve for x
x = 10,220,652,314.92/117,010.79 - Step 6: Final answer
x = 87,347.95
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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.