Finding the Fourth Proportional to 88,295.24, 121,848.54 and 48,009.44
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Solution
The fourth proportional to 88,295.24, 121,848.54 and 48,009.44 is: 66,253.63
Step by Step Solution
- Step 1: Write the proportion equation
88,295.24 : 121,848.54 = 48,009.44 : x - Step 2: Convert to fraction form
88,295.24/121,848.54 = 48,009.44/x - Step 3: Cross multiply
88,295.24x = 121,848.54 × 48,009.44 - Step 4: Simplify right side
88,295.24x = 5,849,880,170.22 - Step 5: Solve for x
x = 5,849,880,170.22/88,295.24 - Step 6: Final answer
x = 66,253.63
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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.