Finding the Fourth Proportional to 93,839.24, 129,507.46 and 53,559.09
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Solution
The fourth proportional to 93,839.24, 129,507.46 and 53,559.09 is: 73,916.85
Step by Step Solution
- Step 1: Write the proportion equation
93,839.24 : 129,507.46 = 53,559.09 : x - Step 2: Convert to fraction form
93,839.24/129,507.46 = 53,559.09/x - Step 3: Cross multiply
93,839.24x = 129,507.46 × 53,559.09 - Step 4: Simplify right side
93,839.24x = 6,936,301,571.91 - Step 5: Solve for x
x = 6,936,301,571.91/93,839.24 - Step 6: Final answer
x = 73,916.85
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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.