Finding the Fourth Proportional to 75,261.82, 112,878.36 and 37,811.49
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Solution
The fourth proportional to 75,261.82, 112,878.36 and 37,811.49 is: 56,710.02
Step by Step Solution
- Step 1: Write the proportion equation
75,261.82 : 112,878.36 = 37,811.49 : x - Step 2: Convert to fraction form
75,261.82/112,878.36 = 37,811.49/x - Step 3: Cross multiply
75,261.82x = 112,878.36 × 37,811.49 - Step 4: Simplify right side
75,261.82x = 4,268,098,980.36 - Step 5: Solve for x
x = 4,268,098,980.36/75,261.82 - Step 6: Final answer
x = 56,710.02
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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.