Finding the Fourth Proportional to 118,041.93, 162,893.09 and 64,325.79
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Solution
The fourth proportional to 118,041.93, 162,893.09 and 64,325.79 is: 88,766.99
Step by Step Solution
- Step 1: Write the proportion equation
118,041.93 : 162,893.09 = 64,325.79 : x - Step 2: Convert to fraction form
118,041.93/162,893.09 = 64,325.79/x - Step 3: Cross multiply
118,041.93x = 162,893.09 × 64,325.79 - Step 4: Simplify right side
118,041.93x = 10,478,226,860.61 - Step 5: Solve for x
x = 10,478,226,860.61/118,041.93 - Step 6: Final answer
x = 88,766.99
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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.