Finding the Fourth Proportional to 74,297.96, 102,525.86 and 42,468.20
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Solution
The fourth proportional to 74,297.96, 102,525.86 and 42,468.20 is: 58,603.07
Step by Step Solution
- Step 1: Write the proportion equation
74,297.96 : 102,525.86 = 42,468.20 : x - Step 2: Convert to fraction form
74,297.96/102,525.86 = 42,468.20/x - Step 3: Cross multiply
74,297.96x = 102,525.86 × 42,468.20 - Step 4: Simplify right side
74,297.96x = 4,354,088,727.65 - Step 5: Solve for x
x = 4,354,088,727.65/74,297.96 - Step 6: Final answer
x = 58,603.07
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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.