Finding the Fourth Proportional to 124,232.60, 171,435.84 and 67,643.84
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Solution
The fourth proportional to 124,232.60, 171,435.84 and 67,643.84 is: 93,345.70
Step by Step Solution
- Step 1: Write the proportion equation
124,232.60 : 171,435.84 = 67,643.84 : x - Step 2: Convert to fraction form
124,232.60/171,435.84 = 67,643.84/x - Step 3: Cross multiply
124,232.60x = 171,435.84 × 67,643.84 - Step 4: Simplify right side
124,232.60x = 11,596,578,531.23 - Step 5: Solve for x
x = 11,596,578,531.23/124,232.60 - Step 6: Final answer
x = 93,345.70
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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.