Finding the Fourth Proportional to 85,076.00, 117,555.12 and 67,312.09
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Solution
The fourth proportional to 85,076.00, 117,555.12 and 67,312.09 is: 93,009.56
Step by Step Solution
- Step 1: Write the proportion equation
85,076.00 : 117,555.12 = 67,312.09 : x - Step 2: Convert to fraction form
85,076.00/117,555.12 = 67,312.09/x - Step 3: Cross multiply
85,076.00x = 117,555.12 × 67,312.09 - Step 4: Simplify right side
85,076.00x = 7,912,880,523.51 - Step 5: Solve for x
x = 7,912,880,523.51/85,076.00 - Step 6: Final answer
x = 93,009.56
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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.