Finding the Fourth Proportional to 75,705.04, 104,451.96 and 48,848.68
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Solution
The fourth proportional to 75,705.04, 104,451.96 and 48,848.68 is: 67,397.63
Step by Step Solution
- Step 1: Write the proportion equation
75,705.04 : 104,451.96 = 48,848.68 : x - Step 2: Convert to fraction form
75,705.04/104,451.96 = 48,848.68/x - Step 3: Cross multiply
75,705.04x = 104,451.96 × 48,848.68 - Step 4: Simplify right side
75,705.04x = 5,102,340,369.41 - Step 5: Solve for x
x = 5,102,340,369.41/75,705.04 - Step 6: Final answer
x = 67,397.63
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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.