Finding the Fourth Proportional to 94,777.06, 142,118.05 and 31,574.96
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Solution
The fourth proportional to 94,777.06, 142,118.05 and 31,574.96 is: 47,346.60
Step by Step Solution
- Step 1: Write the proportion equation
94,777.06 : 142,118.05 = 31,574.96 : x - Step 2: Convert to fraction form
94,777.06/142,118.05 = 31,574.96/x - Step 3: Cross multiply
94,777.06x = 142,118.05 × 31,574.96 - Step 4: Simplify right side
94,777.06x = 4,487,371,744.03 - Step 5: Solve for x
x = 4,487,371,744.03/94,777.06 - Step 6: Final answer
x = 47,346.60
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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.