Finding the Fourth Proportional to 74,807.53, 103,247.74 and 44,594.78
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Solution
The fourth proportional to 74,807.53, 103,247.74 and 44,594.78 is: 61,548.75
Step by Step Solution
- Step 1: Write the proportion equation
74,807.53 : 103,247.74 = 44,594.78 : x - Step 2: Convert to fraction form
74,807.53/103,247.74 = 44,594.78/x - Step 3: Cross multiply
74,807.53x = 103,247.74 × 44,594.78 - Step 4: Simplify right side
74,807.53x = 4,604,309,623.07 - Step 5: Solve for x
x = 4,604,309,623.07/74,807.53 - Step 6: Final answer
x = 61,548.75
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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.