Finding the Fourth Proportional to 74,020.08, 111,013.80 and 34,540.08
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Solution
The fourth proportional to 74,020.08, 111,013.80 and 34,540.08 is: 51,802.50
Step by Step Solution
- Step 1: Write the proportion equation
74,020.08 : 111,013.80 = 34,540.08 : x - Step 2: Convert to fraction form
74,020.08/111,013.80 = 34,540.08/x - Step 3: Cross multiply
74,020.08x = 111,013.80 × 34,540.08 - Step 4: Simplify right side
74,020.08x = 3,834,425,533.10 - Step 5: Solve for x
x = 3,834,425,533.10/74,020.08 - Step 6: Final answer
x = 51,802.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.