Finding the Fourth Proportional to 77,246.12, 115,871.26 and 24,655.52
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Solution
The fourth proportional to 77,246.12, 115,871.26 and 24,655.52 is: 36,983.94
Step by Step Solution
- Step 1: Write the proportion equation
77,246.12 : 115,871.26 = 24,655.52 : x - Step 2: Convert to fraction form
77,246.12/115,871.26 = 24,655.52/x - Step 3: Cross multiply
77,246.12x = 115,871.26 × 24,655.52 - Step 4: Simplify right side
77,246.12x = 2,856,866,168.36 - Step 5: Solve for x
x = 2,856,866,168.36/77,246.12 - Step 6: Final answer
x = 36,983.94
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1.5x scale
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.