Finding the Fourth Proportional to 77,079.33, 106,372.58 and 44,813.79
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Solution
The fourth proportional to 77,079.33, 106,372.58 and 44,813.79 is: 61,844.83
Step by Step Solution
- Step 1: Write the proportion equation
77,079.33 : 106,372.58 = 44,813.79 : x - Step 2: Convert to fraction form
77,079.33/106,372.58 = 44,813.79/x - Step 3: Cross multiply
77,079.33x = 106,372.58 × 44,813.79 - Step 4: Simplify right side
77,079.33x = 4,766,958,237.81 - Step 5: Solve for x
x = 4,766,958,237.81/77,079.33 - Step 6: Final answer
x = 61,844.83
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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.