Finding the Fourth Proportional to 75,587.98, 104,276.51 and 48,739.11
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Solution
The fourth proportional to 75,587.98, 104,276.51 and 48,739.11 is: 67,237.47
Step by Step Solution
- Step 1: Write the proportion equation
75,587.98 : 104,276.51 = 48,739.11 : x - Step 2: Convert to fraction form
75,587.98/104,276.51 = 48,739.11/x - Step 3: Cross multiply
75,587.98x = 104,276.51 × 48,739.11 - Step 4: Simplify right side
75,587.98x = 5,082,344,291.31 - Step 5: Solve for x
x = 5,082,344,291.31/75,587.98 - Step 6: Final answer
x = 67,237.47
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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.