Finding the Fourth Proportional to 76,953.06, 115,466.16 and 53,297.01
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Solution
The fourth proportional to 76,953.06, 115,466.16 and 53,297.01 is: 79,970.84
Step by Step Solution
- Step 1: Write the proportion equation
76,953.06 : 115,466.16 = 53,297.01 : x - Step 2: Convert to fraction form
76,953.06/115,466.16 = 53,297.01/x - Step 3: Cross multiply
76,953.06x = 115,466.16 × 53,297.01 - Step 4: Simplify right side
76,953.06x = 6,154,001,084.18 - Step 5: Solve for x
x = 6,154,001,084.18/76,953.06 - Step 6: Final answer
x = 79,970.84
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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.