Finding the Fourth Proportional to 124,617.16, 171,971.94 and 68,029.48
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Solution
The fourth proportional to 124,617.16, 171,971.94 and 68,029.48 is: 93,880.82
Step by Step Solution
- Step 1: Write the proportion equation
124,617.16 : 171,971.94 = 68,029.48 : x - Step 2: Convert to fraction form
124,617.16/171,971.94 = 68,029.48/x - Step 3: Cross multiply
124,617.16x = 171,971.94 × 68,029.48 - Step 4: Simplify right side
124,617.16x = 11,699,161,652.79 - Step 5: Solve for x
x = 11,699,161,652.79/124,617.16 - Step 6: Final answer
x = 93,880.82
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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.