Finding the Fourth Proportional to 124,297.93, 171,531.45 and 67,708.09
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Solution
The fourth proportional to 124,297.93, 171,531.45 and 67,708.09 is: 93,437.33
Step by Step Solution
- Step 1: Write the proportion equation
124,297.93 : 171,531.45 = 67,708.09 : x - Step 2: Convert to fraction form
124,297.93/171,531.45 = 67,708.09/x - Step 3: Cross multiply
124,297.93x = 171,531.45 × 67,708.09 - Step 4: Simplify right side
124,297.93x = 11,614,066,854.43 - Step 5: Solve for x
x = 11,614,066,854.43/124,297.93 - Step 6: Final answer
x = 93,437.33
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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.