Finding the Fourth Proportional to 74,130.44, 111,202.49 and 24,210.80
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Solution
The fourth proportional to 74,130.44, 111,202.49 and 24,210.80 is: 36,318.43
Step by Step Solution
- Step 1: Write the proportion equation
74,130.44 : 111,202.49 = 24,210.80 : x - Step 2: Convert to fraction form
74,130.44/111,202.49 = 24,210.80/x - Step 3: Cross multiply
74,130.44x = 111,202.49 × 24,210.80 - Step 4: Simplify right side
74,130.44x = 2,692,301,030.23 - Step 5: Solve for x
x = 2,692,301,030.23/74,130.44 - Step 6: Final answer
x = 36,318.43
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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.