Finding the Fourth Proportional to 75,101.78, 103,633.43 and 44,881.09
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Solution
The fourth proportional to 75,101.78, 103,633.43 and 44,881.09 is: 61,931.70
Step by Step Solution
- Step 1: Write the proportion equation
75,101.78 : 103,633.43 = 44,881.09 : x - Step 2: Convert to fraction form
75,101.78/103,633.43 = 44,881.09/x - Step 3: Cross multiply
75,101.78x = 103,633.43 × 44,881.09 - Step 4: Simplify right side
75,101.78x = 4,651,180,815.35 - Step 5: Solve for x
x = 4,651,180,815.35/75,101.78 - Step 6: Final answer
x = 61,931.70
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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.