Finding the Fourth Proportional to 93,644.48, 129,240.16 and 53,365.44
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Solution
The fourth proportional to 93,644.48, 129,240.16 and 53,365.44 is: 73,650.45
Step by Step Solution
- Step 1: Write the proportion equation
93,644.48 : 129,240.16 = 53,365.44 : x - Step 2: Convert to fraction form
93,644.48/129,240.16 = 53,365.44/x - Step 3: Cross multiply
93,644.48x = 129,240.16 × 53,365.44 - Step 4: Simplify right side
93,644.48x = 6,896,958,004.07 - Step 5: Solve for x
x = 6,896,958,004.07/93,644.48 - Step 6: Final answer
x = 73,650.45
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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.