Finding the Fourth Proportional to 76,957.98, 106,246.08 and 58,665.06
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Solution
The fourth proportional to 76,957.98, 106,246.08 and 58,665.06 is: 80,991.38
Step by Step Solution
- Step 1: Write the proportion equation
76,957.98 : 106,246.08 = 58,665.06 : x - Step 2: Convert to fraction form
76,957.98/106,246.08 = 58,665.06/x - Step 3: Cross multiply
76,957.98x = 106,246.08 × 58,665.06 - Step 4: Simplify right side
76,957.98x = 6,232,932,657.96 - Step 5: Solve for x
x = 6,232,932,657.96/76,957.98 - Step 6: Final answer
x = 80,991.38
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1.5x scale
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.