Finding the Fourth Proportional to 73,235.13, 101,064.48 and 39,701.13
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Solution
The fourth proportional to 73,235.13, 101,064.48 and 39,701.13 is: 54,787.55
Step by Step Solution
- Step 1: Write the proportion equation
73,235.13 : 101,064.48 = 39,701.13 : x - Step 2: Convert to fraction form
73,235.13/101,064.48 = 39,701.13/x - Step 3: Cross multiply
73,235.13x = 101,064.48 × 39,701.13 - Step 4: Simplify right side
73,235.13x = 4,012,373,355.03 - Step 5: Solve for x
x = 4,012,373,355.03/73,235.13 - Step 6: Final answer
x = 54,787.55
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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.