Finding the Fourth Proportional to 87,388.98, 130,973.49 and 37,409.94
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Solution
The fourth proportional to 87,388.98, 130,973.49 and 37,409.94 is: 56,067.83
Step by Step Solution
- Step 1: Write the proportion equation
87,388.98 : 130,973.49 = 37,409.94 : x - Step 2: Convert to fraction form
87,388.98/130,973.49 = 37,409.94/x - Step 3: Cross multiply
87,388.98x = 130,973.49 × 37,409.94 - Step 4: Simplify right side
87,388.98x = 4,899,710,402.49 - Step 5: Solve for x
x = 4,899,710,402.49/87,388.98 - Step 6: Final answer
x = 56,067.83
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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.