Finding the Fourth Proportional to 75,180.18, 103,698.70 and 48,356.62
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Solution
The fourth proportional to 75,180.18, 103,698.70 and 48,356.62 is: 66,700.01
Step by Step Solution
- Step 1: Write the proportion equation
75,180.18 : 103,698.70 = 48,356.62 : x - Step 2: Convert to fraction form
75,180.18/103,698.70 = 48,356.62/x - Step 3: Cross multiply
75,180.18x = 103,698.70 × 48,356.62 - Step 4: Simplify right side
75,180.18x = 5,014,518,630.39 - Step 5: Solve for x
x = 5,014,518,630.39/75,180.18 - Step 6: Final answer
x = 66,700.01
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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.