Finding the Fourth Proportional to 88,432.02, 122,032.36 and 48,145.93
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Solution
The fourth proportional to 88,432.02, 122,032.36 and 48,145.93 is: 66,439.30
Step by Step Solution
- Step 1: Write the proportion equation
88,432.02 : 122,032.36 = 48,145.93 : x - Step 2: Convert to fraction form
88,432.02/122,032.36 = 48,145.93/x - Step 3: Cross multiply
88,432.02x = 122,032.36 × 48,145.93 - Step 4: Simplify right side
88,432.02x = 5,875,360,852.13 - Step 5: Solve for x
x = 5,875,360,852.13/88,432.02 - Step 6: Final answer
x = 66,439.30
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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.