Finding the Fourth Proportional to 70,734.79, 106,036.28 and 48,558.61
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Solution
The fourth proportional to 70,734.79, 106,036.28 and 48,558.61 is: 72,792.67
Step by Step Solution
- Step 1: Write the proportion equation
70,734.79 : 106,036.28 = 48,558.61 : x - Step 2: Convert to fraction form
70,734.79/106,036.28 = 48,558.61/x - Step 3: Cross multiply
70,734.79x = 106,036.28 × 48,558.61 - Step 4: Simplify right side
70,734.79x = 5,148,973,593.40 - Step 5: Solve for x
x = 5,148,973,593.40/70,734.79 - Step 6: Final answer
x = 72,792.67
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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.