Finding the Fourth Proportional to 93,133.26, 128,526.68 and 57,343.92
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Solution
The fourth proportional to 93,133.26, 128,526.68 and 57,343.92 is: 79,136.32
Step by Step Solution
- Step 1: Write the proportion equation
93,133.26 : 128,526.68 = 57,343.92 : x - Step 2: Convert to fraction form
93,133.26/128,526.68 = 57,343.92/x - Step 3: Cross multiply
93,133.26x = 128,526.68 × 57,343.92 - Step 4: Simplify right side
93,133.26x = 7,370,223,655.79 - Step 5: Solve for x
x = 7,370,223,655.79/93,133.26 - Step 6: Final answer
x = 79,136.32
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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.