Finding the Fourth Proportional to 76,564.84, 105,688.34 and 44,744.08
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Solution
The fourth proportional to 76,564.84, 105,688.34 and 44,744.08 is: 61,763.70
Step by Step Solution
- Step 1: Write the proportion equation
76,564.84 : 105,688.34 = 44,744.08 : x - Step 2: Convert to fraction form
76,564.84/105,688.34 = 44,744.08/x - Step 3: Cross multiply
76,564.84x = 105,688.34 × 44,744.08 - Step 4: Simplify right side
76,564.84x = 4,728,927,540.03 - Step 5: Solve for x
x = 4,728,927,540.03/76,564.84 - Step 6: Final answer
x = 61,763.70
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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.