Finding the Fourth Proportional to 92,435.84, 138,669.08 and 32,448.75
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Solution
The fourth proportional to 92,435.84, 138,669.08 and 32,448.75 is: 48,678.50
Step by Step Solution
- Step 1: Write the proportion equation
92,435.84 : 138,669.08 = 32,448.75 : x - Step 2: Convert to fraction form
92,435.84/138,669.08 = 32,448.75/x - Step 3: Cross multiply
92,435.84x = 138,669.08 × 32,448.75 - Step 4: Simplify right side
92,435.84x = 4,499,637,454.06 - Step 5: Solve for x
x = 4,499,637,454.06/92,435.84 - Step 6: Final answer
x = 48,678.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.