Finding the Fourth Proportional to 123,730.04, 170,745.08 and 70,014.08
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Solution
The fourth proportional to 123,730.04, 170,745.08 and 70,014.08 is: 96,618.09
Step by Step Solution
- Step 1: Write the proportion equation
123,730.04 : 170,745.08 = 70,014.08 : x - Step 2: Convert to fraction form
123,730.04/170,745.08 = 70,014.08/x - Step 3: Cross multiply
123,730.04x = 170,745.08 × 70,014.08 - Step 4: Simplify right side
123,730.04x = 11,954,559,690.73 - Step 5: Solve for x
x = 11,954,559,690.73/123,730.04 - Step 6: Final answer
x = 96,618.09
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1.5x scale
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.