Finding the Fourth Proportional to 74,873.87, 103,313.74 and 44,242.70
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Solution
The fourth proportional to 74,873.87, 103,313.74 and 44,242.70 is: 61,047.71
Step by Step Solution
- Step 1: Write the proportion equation
74,873.87 : 103,313.74 = 44,242.70 : x - Step 2: Convert to fraction form
74,873.87/103,313.74 = 44,242.70/x - Step 3: Cross multiply
74,873.87x = 103,313.74 × 44,242.70 - Step 4: Simplify right side
74,873.87x = 4,570,878,288.28 - Step 5: Solve for x
x = 4,570,878,288.28/74,873.87 - Step 6: Final answer
x = 61,047.71
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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.