Finding the Fourth Proportional to 124,413.21, 171,689.36 and 67,824.99
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Solution
The fourth proportional to 124,413.21, 171,689.36 and 67,824.99 is: 93,598.01
Step by Step Solution
- Step 1: Write the proportion equation
124,413.21 : 171,689.36 = 67,824.99 : x - Step 2: Convert to fraction form
124,413.21/171,689.36 = 67,824.99/x - Step 3: Cross multiply
124,413.21x = 171,689.36 × 67,824.99 - Step 4: Simplify right side
124,413.21x = 11,644,828,785.98 - Step 5: Solve for x
x = 11,644,828,785.98/124,413.21 - Step 6: Final answer
x = 93,598.01
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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.