Finding the Fourth Proportional to 86,963.93, 120,022.90 and 48,726.05
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Solution
The fourth proportional to 86,963.93, 120,022.90 and 48,726.05 is: 67,249.06
Step by Step Solution
- Step 1: Write the proportion equation
86,963.93 : 120,022.90 = 48,726.05 : x - Step 2: Convert to fraction form
86,963.93/120,022.90 = 48,726.05/x - Step 3: Cross multiply
86,963.93x = 120,022.90 × 48,726.05 - Step 4: Simplify right side
86,963.93x = 5,848,242,004.79 - Step 5: Solve for x
x = 5,848,242,004.79/86,963.93 - Step 6: Final answer
x = 67,249.06
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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.