Finding the Fourth Proportional to 74,304.79, 111,317.05 and 57,583.08
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Solution
The fourth proportional to 74,304.79, 111,317.05 and 57,583.08 is: 86,266.02
Step by Step Solution
- Step 1: Write the proportion equation
74,304.79 : 111,317.05 = 57,583.08 : x - Step 2: Convert to fraction form
74,304.79/111,317.05 = 57,583.08/x - Step 3: Cross multiply
74,304.79x = 111,317.05 × 57,583.08 - Step 4: Simplify right side
74,304.79x = 6,409,978,595.51 - Step 5: Solve for x
x = 6,409,978,595.51/74,304.79 - Step 6: Final answer
x = 86,266.02
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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.