Finding the Fourth Proportional to 83,051.62, 124,579.35 and 29,747.25
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Solution
The fourth proportional to 83,051.62, 124,579.35 and 29,747.25 is: 44,621.56
Step by Step Solution
- Step 1: Write the proportion equation
83,051.62 : 124,579.35 = 29,747.25 : x - Step 2: Convert to fraction form
83,051.62/124,579.35 = 29,747.25/x - Step 3: Cross multiply
83,051.62x = 124,579.35 × 29,747.25 - Step 4: Simplify right side
83,051.62x = 3,705,893,069.29 - Step 5: Solve for x
x = 3,705,893,069.29/83,051.62 - Step 6: Final answer
x = 44,621.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.