Finding the Fourth Proportional to 94,438.79, 130,325.55 and 51,997.31
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Solution
The fourth proportional to 94,438.79, 130,325.55 and 51,997.31 is: 71,756.31
Step by Step Solution
- Step 1: Write the proportion equation
94,438.79 : 130,325.55 = 51,997.31 : x - Step 2: Convert to fraction form
94,438.79/130,325.55 = 51,997.31/x - Step 3: Cross multiply
94,438.79x = 130,325.55 × 51,997.31 - Step 4: Simplify right side
94,438.79x = 6,776,578,350.08 - Step 5: Solve for x
x = 6,776,578,350.08/94,438.79 - Step 6: Final answer
x = 71,756.31
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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.