Finding the Fourth Proportional to 107,669.99, 148,573.56 and 62,362.70
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Solution
The fourth proportional to 107,669.99, 148,573.56 and 62,362.70 is: 86,054.14
Step by Step Solution
- Step 1: Write the proportion equation
107,669.99 : 148,573.56 = 62,362.70 : x - Step 2: Convert to fraction form
107,669.99/148,573.56 = 62,362.70/x - Step 3: Cross multiply
107,669.99x = 148,573.56 × 62,362.70 - Step 4: Simplify right side
107,669.99x = 9,265,448,350.21 - Step 5: Solve for x
x = 9,265,448,350.21/107,669.99 - Step 6: Final answer
x = 86,054.14
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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.