Finding the Fourth Proportional to 74,955.56, 103,426.20 and 44,753.09
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Solution
The fourth proportional to 74,955.56, 103,426.20 and 44,753.09 is: 61,751.81
Step by Step Solution
- Step 1: Write the proportion equation
74,955.56 : 103,426.20 = 44,753.09 : x - Step 2: Convert to fraction form
74,955.56/103,426.20 = 44,753.09/x - Step 3: Cross multiply
74,955.56x = 103,426.20 × 44,753.09 - Step 4: Simplify right side
74,955.56x = 4,628,641,519.83 - Step 5: Solve for x
x = 4,628,641,519.83/74,955.56 - Step 6: Final answer
x = 61,751.81
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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.