Finding the Fourth Proportional to 74,062.08, 102,203.13 and 42,241.23
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Solution
The fourth proportional to 74,062.08, 102,203.13 and 42,241.23 is: 58,291.45
Step by Step Solution
- Step 1: Write the proportion equation
74,062.08 : 102,203.13 = 42,241.23 : x - Step 2: Convert to fraction form
74,062.08/102,203.13 = 42,241.23/x - Step 3: Cross multiply
74,062.08x = 102,203.13 × 42,241.23 - Step 4: Simplify right side
74,062.08x = 4,317,185,921.05 - Step 5: Solve for x
x = 4,317,185,921.05/74,062.08 - Step 6: Final answer
x = 58,291.45
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1.5x scale
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.