Finding the Fourth Proportional to 74,011.68, 102,047.04 and 51,370.08
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Solution
The fourth proportional to 74,011.68, 102,047.04 and 51,370.08 is: 70,828.88
Step by Step Solution
- Step 1: Write the proportion equation
74,011.68 : 102,047.04 = 51,370.08 : x - Step 2: Convert to fraction form
74,011.68/102,047.04 = 51,370.08/x - Step 3: Cross multiply
74,011.68x = 102,047.04 × 51,370.08 - Step 4: Simplify right side
74,011.68x = 5,242,164,608.56 - Step 5: Solve for x
x = 5,242,164,608.56/74,011.68 - Step 6: Final answer
x = 70,828.88
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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.