Finding the Fourth Proportional to 93,222.63, 128,643.08 and 54,464.05
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Solution
The fourth proportional to 93,222.63, 128,643.08 and 54,464.05 is: 75,157.95
Step by Step Solution
- Step 1: Write the proportion equation
93,222.63 : 128,643.08 = 54,464.05 : x - Step 2: Convert to fraction form
93,222.63/128,643.08 = 54,464.05/x - Step 3: Cross multiply
93,222.63x = 128,643.08 × 54,464.05 - Step 4: Simplify right side
93,222.63x = 7,006,422,444.96 - Step 5: Solve for x
x = 7,006,422,444.96/93,222.63 - Step 6: Final answer
x = 75,157.95
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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.