Finding the Fourth Proportional to 80,323.03, 110,848.62 and 48,485.71
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Solution
The fourth proportional to 80,323.03, 110,848.62 and 48,485.71 is: 66,911.99
Step by Step Solution
- Step 1: Write the proportion equation
80,323.03 : 110,848.62 = 48,485.71 : x - Step 2: Convert to fraction form
80,323.03/110,848.62 = 48,485.71/x - Step 3: Cross multiply
80,323.03x = 110,848.62 × 48,485.71 - Step 4: Simplify right side
80,323.03x = 5,374,574,043.22 - Step 5: Solve for x
x = 5,374,574,043.22/80,323.03 - Step 6: Final answer
x = 66,911.99
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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.