Finding the Fourth Proportional to 85,641.18, 118,174.97 and 49,347.92
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Solution
The fourth proportional to 85,641.18, 118,174.97 and 49,347.92 is: 68,094.44
Step by Step Solution
- Step 1: Write the proportion equation
85,641.18 : 118,174.97 = 49,347.92 : x - Step 2: Convert to fraction form
85,641.18/118,174.97 = 49,347.92/x - Step 3: Cross multiply
85,641.18x = 118,174.97 × 49,347.92 - Step 4: Simplify right side
85,641.18x = 5,831,688,127.95 - Step 5: Solve for x
x = 5,831,688,127.95/85,641.18 - Step 6: Final answer
x = 68,094.44
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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.