Finding the Fourth Proportional to 70,972.08, 106,494.24 and 47,295.84
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Solution
The fourth proportional to 70,972.08, 106,494.24 and 47,295.84 is: 70,967.83
Step by Step Solution
- Step 1: Write the proportion equation
70,972.08 : 106,494.24 = 47,295.84 : x - Step 2: Convert to fraction form
70,972.08/106,494.24 = 47,295.84/x - Step 3: Cross multiply
70,972.08x = 106,494.24 × 47,295.84 - Step 4: Simplify right side
70,972.08x = 5,036,734,535.96 - Step 5: Solve for x
x = 5,036,734,535.96/70,972.08 - Step 6: Final answer
x = 70,967.83
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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.