Finding the Fourth Proportional to 124,350.42, 171,603.04 and 67,761.80
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Solution
The fourth proportional to 124,350.42, 171,603.04 and 67,761.80 is: 93,510.99
Step by Step Solution
- Step 1: Write the proportion equation
124,350.42 : 171,603.04 = 67,761.80 : x - Step 2: Convert to fraction form
124,350.42/171,603.04 = 67,761.80/x - Step 3: Cross multiply
124,350.42x = 171,603.04 × 67,761.80 - Step 4: Simplify right side
124,350.42x = 11,628,130,875.87 - Step 5: Solve for x
x = 11,628,130,875.87/124,350.42 - Step 6: Final answer
x = 93,510.99
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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.