Finding the Fourth Proportional to 124,032.12, 171,163.41 and 67,443.48
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Solution
The fourth proportional to 124,032.12, 171,163.41 and 67,443.48 is: 93,071.50
Step by Step Solution
- Step 1: Write the proportion equation
124,032.12 : 171,163.41 = 67,443.48 : x - Step 2: Convert to fraction form
124,032.12/171,163.41 = 67,443.48/x - Step 3: Cross multiply
124,032.12x = 171,163.41 × 67,443.48 - Step 4: Simplify right side
124,032.12x = 11,543,856,019.07 - Step 5: Solve for x
x = 11,543,856,019.07/124,032.12 - Step 6: Final answer
x = 93,071.50
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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.