Finding the Fourth Proportional to 75,440.08, 113,159.40 and 45,866.08
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Solution
The fourth proportional to 75,440.08, 113,159.40 and 45,866.08 is: 68,798.68
Step by Step Solution
- Step 1: Write the proportion equation
75,440.08 : 113,159.40 = 45,866.08 : x - Step 2: Convert to fraction form
75,440.08/113,159.40 = 45,866.08/x - Step 3: Cross multiply
75,440.08x = 113,159.40 × 45,866.08 - Step 4: Simplify right side
75,440.08x = 5,190,178,093.15 - Step 5: Solve for x
x = 5,190,178,093.15/75,440.08 - Step 6: Final answer
x = 68,798.68
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1.5x scale
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.