Finding the Fourth Proportional to 74,948.24, 103,425.84 and 43,122.08
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Solution
The fourth proportional to 74,948.24, 103,425.84 and 43,122.08 is: 59,506.90
Step by Step Solution
- Step 1: Write the proportion equation
74,948.24 : 103,425.84 = 43,122.08 : x - Step 2: Convert to fraction form
74,948.24/103,425.84 = 43,122.08/x - Step 3: Cross multiply
74,948.24x = 103,425.84 × 43,122.08 - Step 4: Simplify right side
74,948.24x = 4,459,937,346.55 - Step 5: Solve for x
x = 4,459,937,346.55/74,948.24 - Step 6: Final answer
x = 59,506.90
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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.