Finding the Fourth Proportional to 73,362.36, 101,239.98 and 39,828.12
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Solution
The fourth proportional to 73,362.36, 101,239.98 and 39,828.12 is: 54,962.76
Step by Step Solution
- Step 1: Write the proportion equation
73,362.36 : 101,239.98 = 39,828.12 : x - Step 2: Convert to fraction form
73,362.36/101,239.98 = 39,828.12/x - Step 3: Cross multiply
73,362.36x = 101,239.98 × 39,828.12 - Step 4: Simplify right side
73,362.36x = 4,032,198,072.24 - Step 5: Solve for x
x = 4,032,198,072.24/73,362.36 - Step 6: Final answer
x = 54,962.76
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1.5x scale
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.