Finding the Fourth Proportional to 107,743.49, 148,686.01 and 62,447.75
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Solution
The fourth proportional to 107,743.49, 148,686.01 and 62,447.75 is: 86,177.88
Step by Step Solution
- Step 1: Write the proportion equation
107,743.49 : 148,686.01 = 62,447.75 : x - Step 2: Convert to fraction form
107,743.49/148,686.01 = 62,447.75/x - Step 3: Cross multiply
107,743.49x = 148,686.01 × 62,447.75 - Step 4: Simplify right side
107,743.49x = 9,285,106,037.55 - Step 5: Solve for x
x = 9,285,106,037.55/107,743.49 - Step 6: Final answer
x = 86,177.88
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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.