Finding the Fourth Proportional to 74,312.08, 111,471.90 and 27,554.02
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Solution
The fourth proportional to 74,312.08, 111,471.90 and 27,554.02 is: 41,332.43
Step by Step Solution
- Step 1: Write the proportion equation
74,312.08 : 111,471.90 = 27,554.02 : x - Step 2: Convert to fraction form
74,312.08/111,471.90 = 27,554.02/x - Step 3: Cross multiply
74,312.08x = 111,471.90 × 27,554.02 - Step 4: Simplify right side
74,312.08x = 3,071,498,962.04 - Step 5: Solve for x
x = 3,071,498,962.04/74,312.08 - Step 6: Final answer
x = 41,332.43
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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.