Finding the Fourth Proportional to 73,931.54, 102,030.84 and 42,102.48
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Solution
The fourth proportional to 73,931.54, 102,030.84 and 42,102.48 is: 58,104.46
Step by Step Solution
- Step 1: Write the proportion equation
73,931.54 : 102,030.84 = 42,102.48 : x - Step 2: Convert to fraction form
73,931.54/102,030.84 = 42,102.48/x - Step 3: Cross multiply
73,931.54x = 102,030.84 × 42,102.48 - Step 4: Simplify right side
73,931.54x = 4,295,751,783.10 - Step 5: Solve for x
x = 4,295,751,783.10/73,931.54 - Step 6: Final answer
x = 58,104.46
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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.