Finding the Fourth Proportional to 74,303.30, 102,549.81 and 47,463.68
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Solution
The fourth proportional to 74,303.30, 102,549.81 and 47,463.68 is: 65,507.07
Step by Step Solution
- Step 1: Write the proportion equation
74,303.30 : 102,549.81 = 47,463.68 : x - Step 2: Convert to fraction form
74,303.30/102,549.81 = 47,463.68/x - Step 3: Cross multiply
74,303.30x = 102,549.81 × 47,463.68 - Step 4: Simplify right side
74,303.30x = 4,867,391,365.90 - Step 5: Solve for x
x = 4,867,391,365.90/74,303.30 - Step 6: Final answer
x = 65,507.07
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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.